What Is DNS and How Does It Work?

What is DNS? DNS (Domain Name System), one of the cornerstones of the Internet, is a system that facilitates our access to websites. Just like a phone book, it translates hard-to-read IP addresses into easy-to-remember domain names. This blog post details the querying process, explaining step-by-step how DNS works. It examines different types of DNS servers, such as root, TLD, and authoritative servers, as well as common DNS records such as A, CNAME, MX, TXT, etc. It also discusses the importance of DNS caching, how to secure with DNSSEC, and free services such as Cloudflare, Google DNS, etc. While it offers guidance on how to change DNS settings, it provides solutions to DNS problems such as connection errors. By summarizing everything you need to know about DNS, it aims to improve your internet experience.

What is DNS? The Similarity of the Internet to the Telephone Directory

The Internet is a huge network, and every device on this network (computer, phone, server, etc.) has its own unique address. These addresses are called IP addresses and consist of numeric expressions (for example, 192.168.1.1). However, it is quite difficult to keep these numerical addresses in mind. At this point DNS (Domain Name System) comes into play. DNS can be thought of as the phone book of the internet. Just as the phone book translates names to phone numbers, DNS translates domain names (for example, google.com) into IP addresses.

The main purpose of DNSto enable users to access websites and other online resources using easily rememberable domain names instead of complex IP addresses. In this way, when users want to visit a website, they type a domain name such as www.example.com into their browsers, and the DNS system translates this domain name to the IP address of the relevant server and ensures that the connection is established.

Term	Explanation	Example
Domain Name	Easily remembered name of websites.	google.com, wikipedia.org
IP Address	The numerical address of a device on the internet.	172.217.160.142
DNS Server	The server that translates domain names into IP addresses.	8.8.8.8 (Google DNS)
DNS Query	A request to know the IP address of a domain name.	What is google.com's IP address?

Without DNS, we would have to memorize the IP address of every website, which would make it extremely difficult to use the internet. DNS systemis a critical infrastructure component that ensures that the internet is user-friendly and accessible. Although this system executes complex processes in the background, it simplifies the user experience, allowing the internet to run smoothly.

Basic Functions of DNS:

• Translating domain names into IP addresses.
• Routing internet traffic to the right servers.
• To ensure the accessibility of websites and other online resources.
• Helping to route email traffic to the correct mail servers.
• To ensure that resources on the Internet are named and organized.

DNS, taking on the role of the internet's phone book, allowing users to easily access websites and other online resources. Instead of complex IP addresses, it uses easily rememberable domain names, simplifying the internet experience and contributing to the smooth operation of the internet.

How Does DNS Work? Step-by-Step Inquiry Process

What is DNS After understanding the answer to the question, a step-by-step examination of how this system works allows us to understand what is happening in the background of the internet. When we want to access a website, the domain name that we type in our browser (for example, example.com) must be converted directly into an address (IP address) that computers can understand. Here is this transformation process DNS query process We call it as.

This process consists of a series of steps and is usually accompanied by several different DNS server It takes place between. First, your computer's operating system or browser, which is configured DNS resolver (resolver) server. This resolver server is usually a server provided by your internet service provider (ISP).

My name	Explanation	Related Server Type
1	The user enters the domain name in the browser.	–
2	A query is sent to the local DNS resolver.	Recursive Resolver (Özyinelemeli Çözümleyici)
3	The resolver consults the root DNS server.	Root DNS Server
4	The root server redirects to the TLD server.	TLD DNS Server (.com, .net, etc.)
5	The TLD server redirects to the authoritative DNS server.	Authoritative DNS Server
6	The proxy server sends the IP address to the resolver.	Authoritative DNS Server
7	The resolver communicates the IP address to the user.	Recursive Resolver

If the resolver server does not keep the IP address of the searched domain name in its cache, it can send the query to a higher level. To DNS servers begins to transmit. In this process, first of all, root DNS servers Referenced. Root servers are at the top of the internet's DNS hierarchy, which TLD (top-level domain) servers (such as .com, .net, .org) they know that it is authorized.

DNS Query Stages:

1. The domain name is typed into the browser address bar (for example, example.com).
2. The operating system sends a query to the configured DNS resolver.
3. If the DNS resolver can't find the answer in its cache, it contacts the root DNS server.
4. The root DNS server redirects to the corresponding TLD server (.com, .net, etc.).
5. The TLD server forwards the address of the authoritative DNS server to the resolver.
6. The resolver obtains the IP address from the authoritative DNS server.
7. The resolver transmits the IP address to the browser, allowing the website to load.

The TLD server sends the query to the domain name of the corresponding domain. to the authoritative DNS server Directs. The authoritative DNS server, which contains the correct IP address for that domain name DNS records Hosts. This server sends the IP address back to the resolver, which transmits this information to the user's computer, which opens the website. This complex process takes place in seconds for users and keeps the internet running smoothly.

DNS Server Types: Root, TLD, and Authoritative Servers

What is DNS To better understand the answer to the question, it is important to examine the different types of servers that make up the DNS system. The DNS hierarchy is a complex structure that keeps the internet running smoothly. The cornerstones of this structure are the root, TLD (Top Level Domain) and authoritative DNS servers. Each type of server plays a different and critical role in the domain resolution process.

• Root Servers: It sits at the top of the DNS hierarchy and provides references to all other DNS servers.
• TLD Servers: .com contains information about top-level domains such as .net, .org, etc.
• Authorized Servers: It is authorized for a specific domain name (for example, ornek.com) and ensures that it matches the IP address of that domain name.
• Cached (Recursive) Servers: It receives users' queries, gathers information from other servers, and caches the result.

Each of these servers plays a vital role in the complex process that takes place when we try to access a website. When a user types a domain name into their browser, that request first goes to a caching DNS server. If the IP address of the domain name is not cached on this server, the query is routed to the root servers.

Server Type	Duty	Key Features
Root Servers	The starting point of the DNS hierarchy	There are 13 root servers, geographically distributed
TLD Servers	Provides information about top-level domains	.com manages domain names such as .org, .net
Authorized Servers	Ensures that domain names match IP addresses	Managed by domain owners
Caching Servers	Processes queries and caches results	Provides fast access and reduces network traffic

Root servers point to the address of the corresponding TLD server. The TLD server then redirects the query to the authoritative DNS server. The proxy server provides the IP address of the requested domain name, and this information is transmitted to the user by the caching server. This process, What is DNS It forms the basis of the question and helps us understand how the internet works.

Cooperation between root, TLD, and authoritative DNS servers ensures that the DNS system, the address book of the internet, operates efficiently. Each type of server plays a critical role in the domain resolution process, allowing users to access their websites seamlessly. This complex structure forms the backbone of the internet and is constantly updated, keeping pace with the growth and development of the internet.

DNS Records: What Do A, CNAME, MX, TXT Records Mean?

What is DNS When looking for the answer to the question, it is also of great importance to understand what DNS records mean. DNS records contain information such as which IP address a domain name corresponds to, how to route email traffic, and so on. With these records, internet browsers can direct users to the right servers, and email servers can deliver messages to the right addresses.

DNS records are vital for the proper functioning of a website or other internet services. There are different types of DNS records, and each serves a different purpose. For example, an A record binds a domain to an IP address, while an MX record routes email traffic to that mail server. Configuring these records correctly ensures that your website is accessible and that your emails are delivered correctly.

Common DNS Record Types:

• Record A: Maps the domain name to an IPv4 address.
• AAAA Registration: Maps the domain name to an IPv6 address.
• CNAME Record: Redirects one domain to another domain.
• MX Registration: It routes the e-mail traffic to the corresponding mail server.
• TXT Record: Provides text-based information about the domain name (for example, verification records).
• SRV Registration: Specifies the location and port number of specific services.

The following table summarizes some of the basic DNS record types and their functions:

Record Type	Explanation	Example
A	Maps the domain name to an IPv4 address.	example.com. 192.0.2.1
CNAME	Redirects one domain to another domain.	www.example.com. example.com.
MX	It routes the e-mail traffic to the corresponding mail server.	example.com. mail.example.com.
TXT	Provides text-based information about the domain name.	example.com. v=spf1 mx -all

Configuring DNS records correctly is important to ensure the uninterrupted operation of your website and other internet services. Misconfigured DNS records can lead to your website being inaccessible or problems with email delivery. Therefore, you should carefully manage your DNS records and update them as needed. Many DNS management tools and service providers can help you easily manage and configure your DNS records.

DNS Cache: Its Importance for Speed and Performance

What is DNS Once you understand the answer to the question, it becomes quite easy to grasp the importance of DNS cache. DNS caching is a critical mechanism that speeds up your internet experience and improves performance. When you visit any website, your computer learns the IP address of that website from DNS servers. These learned IP addresses are stored on your computer or a DNS server on your network so that you do not have to query them again and again when you access the same site later. This retention process is called DNS caching.

Thanks to the DNS cache, access times to websites are significantly shortened. For example, if the IP address of a website you visit frequently is already saved in your cache, your browser will go directly to that address and the website will load much faster. This is a great advantage, especially for mobile devices and slow internet connections. In addition to improving the user experience, it also reduces the load on DNS servers so that overall internet traffic is managed more efficiently.

Feature	DNS Cache Usage	No DNS Cache
Access Speed	Much Faster	Slower (DNS query required)
DNS Server Load	Less	More
Internet Efficiency	Higher	Lower
User Experience	Better	Worse

However, DNS caching can also have some drawbacks. In particular, when a website's IP address changes, there may be access problems due to the old address in the cache. In such cases, it may be necessary to flush the DNS cache. In addition, a type of attack known as DNS cache poisoning can also be encountered by malicious actors. In this type of attack, fake IP addresses can be cached, redirecting users to the wrong websites. Therefore, it is important to take security measures such as secure DNS (DNSSEC). We discussed this issue in detail in Secure DNS (DNSSEC): Protection Against Cyber Threats.

How Does DNS Cache Work?

The DNS cache basically works like a database. When you access a website for the first time, the DNS resolution process begins and the IP address of the website is found. This IP address is stored in the cache for a certain period of time (TTL – Time To Live). If you want to access the same website again during this time, the system first looks at the cache, and if the IP address is found, you will be redirected directly to that address. If the IP address is not in the cache or the TTL has expired, the DNS resolution process is restarted.

• The browser requests the website address (e.g. example.com).
• The browser first checks the local DNS cache.
• If the address is not in the cache, the DNS cache of the operating system is checked.
• If it is still not found, a query is sent to the DNS server of the internet service provider (ISP).
• The ISP's DNS server finds the IP address by contacting other DNS servers (root, TLD, authoritative) if necessary.
• The found IP address is sent back to the browser and the website is loaded.
• The IP address is cached for the specified TTL duration.

Benefits of Clearing Cache

Clearing the DNS cache can be effective in resolving a variety of issues. In particular, clearing the cache can be useful in cases such as errors in accessing websites, redirecting to incorrect IP addresses, or slow loading. This clears outdated and potentially erroneous data from the cache, allowing the system to requery the correct IP addresses.

In addition, cache clearing is also important from a security point of view. Clearing the cache regularly to protect against attacks such as DNS cache poisoning can reduce potential risks. The process of clearing the cache may differ depending on the operating system and browser, but it can usually be performed through simple commands or settings. How to Change DNS Settings? We will examine this topic in detail in the Step-by-Step Guide.

Secure DNS (DNSSEC): Protecting Against Cyber Threats

What is DNS After understanding the answer to the question, it is also of great importance to grasp how important the security of this system is. DNS, which plays a critical role in routing internet traffic, can be vulnerable to a variety of cyberattacks. DNSSEC (Domain Name System Security Extensions) is a security protocol developed against such threats. DNSSEC ensures the integrity and accuracy of DNS data, protecting users from being redirected to fraudulent websites.

The main purpose of DNSSEC is to verify communication between DNS servers. This verification is done using digital signatures. When a DNS record is requested, a DNSSEC-enabled server sends a digital signature in addition to the record. By verifying this signature, the receiving server confirms that the record is original and unaltered. This prevents dangerous types of attacks such as man-in-the-middle attacks and DNS poisoning.

DNS Attack Type	Explanation	DNSSEC's Protection
DNS Poisoning (Cache Poisoning)	Injecting fake DNS records into the server cache.	Thanks to digital signatures, it prevents the acceptance of fake records.
Man-in-the-Middle Attacks	Modification of data by intercepting communication.	It detects intrusions by maintaining the integrity of DNS records.
DNS Spoofing	Misleading users by sending spoofed DNS responses.	It allows the discrimination of fake answers thanks to verified answers.
DDoS Attacks	Downtime of servers as a result of overload.	DNSSEC does not directly prevent DDoS attacks, but it does protect the accuracy of the data.

DNSSEC provides a more secure experience for internet users. Having DNSSEC enabled, especially on e-commerce, banking, and other sensitive websites, helps protect users' personal and financial information. This protocol enhances the security of the internet's underlying infrastructure, making it harder for cybercriminals.

What Is DNSSEC and How Does It Work?

DNSSEC, What is DNS It deals with the security-related dimension of the question. It uses cryptographic signatures to verify the origin of DNS data. These signatures guarantee that DNS records are created by an authoritative DNS server and are not altered in transit. DNSSEC works by establishing a chain of trust. This chain starts with the root DNS servers, extends to top-level domains (such as .com, .net, .org) and from there to individual domains.

• Root DNS servers constitute the first point of trust.
• Top-level domains are signed by the root servers.
• Domain owners sign their own DNS records.
• At each step, the signature of the previous step is verified.
• In this way, the entire DNS query process becomes secure.

Benefits of DNSSEC

DNSSEC has many advantages. Most importantly, it provides effective protection against attacks such as DNS spoofing and poisoning. It also prevents phishing attacks by guaranteeing that users are redirected to trustworthy websites. DNSSEC also helps organizations, such as internet service providers (ISPs) and content delivery networks (CDNs), secure their DNS infrastructure.

DNSSEC is a critical technology for improving the security of the internet. By ensuring the accuracy of DNS data, it protects users against various cyber threats. – Internet Engineering Task Force (IETF)

DNSSEC Implementation Steps

Implementing DNSSEC is a process that involves several steps. First, the domain owner must choose a DNS provider that supports DNSSEC. Next, a key pair is generated for the domain name, and DNS records are signed with these keys. Finally, the signature keys are uploaded to the parent DNS server (usually the domain registrar). When these steps are completed, the domain name is DNSSEC protected.

Proper implementation of DNSSEC is vital to the overall security of the internet. Therefore, it is important for domain owners and DNS providers to be aware of this and take the necessary steps. What is DNS Anyone looking for the answer to the question should also understand the importance of DNSSEC.

Free & Fast DNS Services: Cloudflare, Google DNS, OpenDNS

One of the factors that directly affect the internet experience is the use of What is DNS services. You may be using your internet service provider's (ISP) DNS servers by default, but for a faster and more secure internet experience, it may be worth considering free and fast DNS services. Cloudflare, Google DNS, and OpenDNS are the leading services in this field and preferred by millions of users around the world. Not only do these services increase your internet speed, but they also offer additional layers of security and privacy.

• Cloudflare DNS: It combines speed, security, and privacy. It protects against DDoS attacks and encrypts user data.
• Google DNS: It is known for its high performance and reliability. It offers fast response times thanks to its large server network.
• OpenDNS: It stands out for its parental safety and blocking of harmful websites. It offers customizable filtering options.
• Quad9: It is a DNS service focused on security. Protects against malware and phishing attacks.
• Comodo Secure DNS: Backed by Comodo's security expertise, this service blocks malicious websites and provides a secure internet experience.

The main differences between these services are the additional features and performance values they offer. For example, Cloudflare DNS is known for its DDoS protection, especially for websites, while OpenDNS offers family protection and customizable filtering options. Google DNS, on the other hand, stands out with its high performance and reliability in general. When deciding which service is best for you, it's important to consider your priorities and needs.

DNS Service	Primary DNS	Secondary DNS	Featured Features
Cloudflare DNS	1.1.1.1	1.0.0.1	Fast, Secure, DDoS Protection
Google DNS	8.8.8.8	8.8.4.4	High Performance, Reliability
OpenDNS	208.67.222.222	208.67.220.220	Family Safety, Filtering Options
Quad9	9.9.9.9	149.112.112.112	Security-Focused, Malware Protection

It's quite simple to get started with these free and fast DNS services. You can start using these services by changing the DNS server addresses in the network settings of your operating system or router. For example, in Windows, you can open TCP/IPv4 settings from the properties of the network adapter you are using by following the path Network > Internet > Control Panel and Network Connections and enter DNS server addresses in the appropriate fields. Similarly, you can change DNS server addresses by following the path to System Preferences > Network > Advanced > DNS on macOS.

What is DNS The answer to the question is not just a technical detail; It is a factor that directly affects your internet experience. By using free and fast DNS services, you can increase your internet speed, ensure your security, and have a better online experience. You can optimize your internet usage by choosing the most suitable option among options such as Cloudflare, Google DNS, and OpenDNS.

How to Change DNS Settings? Step-by-step guide

One of the ways to make your internet experience faster and safer is to Adjust your DNS settings is to change. By default, you use the DNS servers of your internet service provider (ISP). However, there are faster and more reliable alternatives available. In this section, we will discuss the different operating systems and devices DNS settings We will examine step by step how to change it.

Operating System/Device	Settings Menu	DNS Server Addresses
Windows 10	Network and Internet > Network Connections > Control Panel	Preferred DNS Server, Alternate DNS Server
macOS	Advanced > DNS > Network > System Preferences	List of DNS Servers
Android	Settings > Connections > Wi-Fi > Advanced (Press and hold the connected network)	DNS 1, DNS 2 in static IP settings
Ios	Settings > Wi-Fi > (i icon next to connected network)	DNS partition

DNS settings The replacement process may differ depending on the operating system or device you are using, but the basic principles are the same. First, you need to access the settings of your current network connection. Next, you should find the option to configure DNS server addresses manually. This section will provide detailed instructions for the most common operating systems and devices.

Steps to Change DNS Settings:

1. Make a note of your current DNS server addresses: This is important to be able to go back if you have any problems.
2. Determine the DNS server addresses you want to use: You can consider popular options such as Cloudflare, Google DNS, or OpenDNS.
3. Access your network connection settings: Depending on your operating system or device, this step may differ.
4. Find the option to manually configure DNS server addresses: It can be under options such as Static IP or Manual DNS.
5. Enter your preferred and alternate DNS server addresses: You'll usually be asked to enter two DNS server addresses.
6. Save the changes and restart your network connection: This is the new DNS settings activates.

Adjust your DNS settings After changing it, you may notice that your internet connection is faster and more secure. However, in some cases, you may encounter compatibility issues or other technical problems. Therefore Adjust your DNS settings It's important to be careful before replacing it and always have a backup plan in place. In this way, in case you have any problems, you can use the old To your DNS settings You can easily go back.

Remember, Adjust your DNS settings Changing it can significantly improve your internet experience. However, it is important that you always act carefully and consciously.

DNS Problems and Solutions: Troubleshooting Connection Errors

Many of the connection problems encountered when using the Internet, What is DNS It is closely related to the answer to the question. Problems with DNS (Domain Name System) servers can cause disruptions, slowdowns, or even complete inaccessibility in accessing websites. When faced with such problems, it is important to systematically diagnose the problem and seek solutions instead of panicking. In this section, we'll explore common DNS issues and solutions to them.

DNS problems can often be caused by user-related errors, problems with the internet service provider (ISP), or malfunctions in the websites' own servers. For example, misconfigured DNS settings, problems with the modem or router's access to DNS servers, temporary DNS cache problems, or slow response speed of the DNS server used can lead to connection failures. Each of these problems has different solution methods.

Common DNS Problems and Solutions:

• Incorrect DNS Settings: Make sure that your computer or router's DNS settings are correct. You can use the DNS addresses suggested by your ISP, or you can opt for public DNS servers such as Google DNS (8.8.8.8 and 8.8.4.4) or Cloudflare DNS (1.1.1.1).
• DNS Cache Issues: The DNS cache temporarily stores the IP addresses of the websites you visit. Incorrect or outdated information in this cache can cause connectivity problems. You can flush the DNS cache by using the ipconfig /flushdns command from the command prompt.
• Modem/Router Problems: A problem with your modem or router can prevent access to DNS servers. Restarting your device can usually fix these types of problems.
• Internet Service Provider Issues: There may be a malfunction in your ISP's DNS servers. In this case, you can check if you can troubleshoot the problem by using a different DNS server (for example, Google DNS or Cloudflare DNS).
• Website Server Issues: There may be a problem with the servers of the website you are trying to access. In this case, there's not much you can do, but trying again after a while may fix the problem.

Before troubleshooting DNS issues, it's important to properly identify the source of the problem. For example, if you're having trouble accessing a particular website, check to see if the problem is specific to that site. If there is no problem accessing other websites, the problem is probably with that website's servers. However, if you can't access any websites, the problem is most likely with your network or DNS settings.

Problem	Possible Causes	Solution Suggestions
Unable to access websites	Incorrect DNS settings, DNS cache problems, modem/router problems, ISP problems	Check DNS settings, clear DNS cache, restart modem, use a different DNS server
Slow website loading speeds	DNS server responding slowly, DNS cache issues	Using a faster DNS server, clearing the DNS cache
Can't access a specific website	Website server problems, error in DNS records	Don't try again after a while, try to access from a different device
DNSSEC validation errors	Problems with Secure DNS (DNSSEC)	Check DNSSEC settings, use a different DNS server

There are a variety of tools and commands that you can use to troubleshoot DNS issues. For example, you can check the accessibility of a website's IP address with the ping command, and query the DNS records of a domain name with the nslookup command. These tools can help you better understand the source of the problem and implement solutions more effectively. Remember that being patient and taking it step by step is the key to resolving DNS issues.

What You Need to Know About DNS: Summary and Conclusion

In this article, What is DNS We have covered many topics, starting from the question of how DNS works, different DNS server types, DNS records, the importance of caching, the use of secure DNS (DNSSEC), popular free DNS services, how to change DNS settings, and DNS problems and solutions that may be encountered. DNS is one of the cornerstones of the internet, ensuring that internet traffic is routed correctly, allowing users to access websites and other online resources seamlessly.

DNS Concept	Explanation	Importance
DNS Server	Servers that translate domain names into IP addresses.	It plays a fundamental role in accessing websites.
DNS Records	Different record types such as A, CNAME, MX, TXT.	It stores various information about the domain name.
DNS Cache	Retention of information for quick response to queries.	Improves performance, reduces latency.
DNSSEC	Protocol that secures DNS data.	Provides protection against cyber attacks.

Understanding the working principles of DNS is important for improving the internet experience and troubleshooting any potential problems. Using the right DNS servers can improve your internet speed and allow you to access websites more securely. It is also possible to protect against cyber threats with security measures such as DNSSEC.

Tips for Better Understanding DNS:

• Research different DNS server types (Root, TLD, Authoritative).
• Learn what DNS records (A, CNAME, MX) mean.
• Understand how DNS caching works and why it's important.
• See how DNSSEC enhances your security.
• Compare performance by trying free and fast DNS services.
• Learn how to change your DNS settings and run tests with different servers.

What is DNS The answer to the question is that the internet is the address book. DNS allows users to access websites with easily rememberable domain names instead of complex IP addresses. Understanding how DNS works is of great importance for internet users and webmasters. With this information, you can have a more informed internet experience and find solutions to potential problems faster.

We hope this article has helped you gain a comprehensive knowledge of DNS. Learning more about this essential component of the internet will allow you to become more proficient in the digital world.

Sık Sorulan Sorular

How does DNS make it easier for us to access websites? Why don't we have to memorize IP addresses?

DNS makes it easier to browse the internet by translating websites' IP addresses (e.g., 192.168.1.1) into human-readable domain names (e.g., google.com). Without DNS, we would have to memorize the complex IP addresses for each website and enter them into our browser. DNS automatically manages this complex process in the background.

If I encounter a problem during the DNS query process, should I blame my internet service provider (ISP), or could the problem be elsewhere as well?

DNS query problems may not only be caused by your internet service provider. The problem may also be with your local network (modem/router settings), operating system, or DNS servers you are using. Trying different DNS servers (for example, Google DNS or Cloudflare DNS) and checking your network connection can help you identify the source of the problem.

Why are DNS records important and what types of records do I need to create for my website?

DNS records point different services related to your domain name (website, email, etc.) to the right places on the internet. The most commonly used record types are A (which links a domain to an IP address), CNAME (redirects a domain to another domain), MX (which specifies email servers), and TXT (which is used for a variety of information) records. You need to configure these records correctly according to the needs of your website and other services.

What are the advantages of DNS cache and how to clear the cache?

DNS caching provides faster access to websites by temporarily storing the IP addresses of previously queried domains. This eliminates the need to repeatedly send the same query to DNS servers. Clearing the cache can fix connection issues caused by outdated or erroneous information. The process of clearing the cache differs depending on the operating system and browser.

What is DNSSEC and why should I use it for my website?

DNSSEC (DNS Security Extensions) protects against DNS spoofing attacks by adding a layer of security to the DNS system. These attacks can lead to phishing or malware infection attempts by redirecting users to fake websites. DNSSEC guarantees the accuracy of DNS queries and answers, allowing users to access trusted websites.

How does using free and fast DNS services affect my internet experience?

Free and fast DNS services (e.g., Cloudflare, Google DNS, OpenDNS) can often be faster and more reliable than your internet service provider's (ISP) default DNS servers. This can provide faster access to websites, lower latencies, and improved security. In addition, some services offer additional security features and content filtering options.

Is it risky to change DNS settings? What happens if I make a wrong setting?

Changing DNS settings is basically not risky, but if you make a wrong setting, you can have problems with your internet connection. For example, you may not be able to access websites. However, in this case, don't worry; You can automatically roll back your DNS settings (to use the ISP's default DNS servers) or re-enter the correct DNS server addresses.

I constantly have DNS issues accessing my website. What should I do to fix the problem permanently?

If you are constantly experiencing DNS problems, first check your local network (modem/router) and your computer's DNS settings. Try different DNS servers and clear the cache. If the problem persists, make sure that you have configured your domain's DNS records correctly. You can also contact your web hosting provider and ask them to check for server-side DNS issues.