Reset DNS Server in CMD with Ease: A Step-by-Step Guide

If you are experiencing internet connectivity issues or website loading problems, resetting your DNS server can be the solution you need. However, resetting your DNS server can be a challenging task, especially for those who are not tech-savvy. Fortunately, you can reset your DNS server with ease using the Command Prompt (CMD) on Windows.

In this step-by-step guide, we will walk you through the process of resetting your DNS server using CMD. We will explain what a DNS server is, why you may need to reset it, and how to troubleshoot common errors that can occur when resetting your DNS server.

By the end of this article, you will have a clear understanding of how to reset your DNS server and will be able to do it on your own. So, if you are ready to learn how to reset your DNS server using CMD, let’s dive in!

Continue reading to learn how to reset your DNS server using CMD and troubleshoot common DNS errors. By the end of this article, you will be able to reset your DNS server with ease and have a better understanding of how DNS works.

Introduction to DNS Server

If you’re reading this, chances are that you’re having issues with your DNS server. Fear not, as we’re here to help. DNS, which stands for Domain Name System, is an essential part of the internet infrastructure that translates domain names into IP addresses. This allows you to access websites using easy-to-remember names instead of having to remember long and complicated IP addresses.

However, sometimes things can go wrong with your DNS server, which can lead to slow or no internet access. In this article, we’ll be taking a closer look at how you can reset your DNS server using CMD, which is a powerful and versatile tool available on Windows computers. CMD, which stands for Command Prompt, is a command-line interpreter that allows you to execute commands and perform administrative tasks on your computer.

Resetting your DNS server can be a quick and easy fix to many internet-related problems. It can help you to flush out any corrupt DNS cache and renew your IP address, which can lead to faster and more reliable internet access. In the following sections, we’ll be showing you how you can reset your DNS server using CMD in a few easy steps.

But before we dive into the step-by-step guide, let’s take a closer look at some of the reasons why you might need to reset your DNS server. From network connectivity issues to security concerns, there are a number of reasons why you might want to consider resetting your DNS server. Read on to find out more.

The Importance of DNS Server in Internet Browsing

If you are reading this, you are probably connected to the internet. And if you are connected to the internet, you are using a DNS server whether you know it or not. DNS, which stands for Domain Name System, is a critical part of internet infrastructure that translates human-readable domain names into IP addresses that computers can understand.

Without DNS, you would have to remember the IP address of every website you want to visit. This is not only impractical but also impossible considering the number of websites on the internet. The DNS server acts as a phonebook that allows you to look up domain names and find the corresponding IP addresses.

Given its importance, it is essential to ensure that your DNS server is functioning correctly. This involves periodic maintenance and troubleshooting to avoid DNS-related issues that could disrupt your internet browsing experience.

It is also worth noting that DNS plays a vital role in internet security. Cybercriminals can exploit vulnerabilities in DNS servers to launch attacks such as phishing, malware distribution, and man-in-the-middle attacks. Therefore, it is critical to keep your DNS server secure and up-to-date.

How DNS Server Works: A Brief Overview

DNS, or Domain Name System, is a system that allows users to browse the internet using human-readable domain names, such as or, rather than numerical IP addresses. When a user enters a domain name into their browser, the browser sends a request to the DNS server to obtain the corresponding IP address.

The DNS server then checks its cache to see if it has the IP address already stored. If it does not, it sends a request to other DNS servers until it finds the IP address, and then sends it back to the user’s browser. The browser then uses the IP address to connect to the desired website.

Every website on the internet has a unique IP address, which is assigned by the Internet Assigned Numbers Authority (IANA). These IP addresses are made up of four groups of numbers, separated by dots, and can be difficult for humans to remember. DNS servers allow users to easily browse the internet without needing to remember numerical IP addresses.

Reasons for Resetting DNS Server

Internet Connection Issues: One of the primary reasons to reset DNS server is when you are experiencing connectivity problems with your internet connection. This could be due to DNS cache corruption or outdated DNS records.

Slow Browsing Speed: Another reason to reset DNS server is when your browsing speed becomes slow. This could happen when your DNS server is not responding quickly enough to your requests, or when your DNS cache becomes too large.

Malware or Virus Infection: Malware or virus infections on your computer can also lead to DNS server issues. Resetting the DNS server can help to remove any malicious records that could be interfering with your internet connection.

Configuration Changes: Making changes to your computer’s network configuration can also require resetting the DNS server. This could be due to changes in IP address, subnet mask, or gateway address.

Resolve DNS Errors: Finally, resetting the DNS server can be an effective way to resolve common DNS errors, such as “DNS server not responding” or “DNS lookup failed”.

Common Issues Caused by DNS Server Errors

Slow Browsing: One of the most common issues caused by DNS server errors is slow browsing. When the DNS server is not responding, it takes longer for the browser to load a website, leading to a frustratingly slow browsing experience.

Incorrect IP Address: If the DNS server is not functioning properly, it may provide an incorrect IP address to the browser. This results in the browser being directed to the wrong website, causing confusion and frustration.

Server Unavailable: If the DNS server is down, the browser will not be able to locate the website’s server. This will result in an error message stating that the website is unavailable, preventing the user from accessing the website.

Blocked Websites: DNS server errors can also cause certain websites to become blocked. This occurs when the DNS server is unable to resolve the website’s IP address, and the website becomes inaccessible to the user.

Security Risks: DNS server errors can also pose a security risk, as they can lead to the user being directed to malicious websites. This can result in the user unknowingly downloading malware or viruses, compromising their system’s security.

How to Reset DNS Server using CMD?

If you are experiencing issues with your DNS server, resetting it may solve the problem. Here are the steps to reset your DNS server using Command Prompt (CMD):

  1. Open CMD as an Administrator: Press Windows + X and select “Command Prompt (Admin)”.
  2. Type Commands: Type “ipconfig /flushdns” and hit Enter. Wait for the confirmation message before proceeding.
  3. Restart DNS Client Service: Type “net stop dnscache” and hit Enter. Wait for the confirmation message before proceeding. Then, type “net start dnscache” and hit Enter.

Once you have completed these steps, your DNS server should be reset and ready to use. Remember to restart your computer for the changes to take effect.

Step 1: Launch Command Prompt as an Administrator

If you want to reset your DNS server using CMD, the first step is to launch Command Prompt as an administrator. This is necessary to access the system files and execute the required commands. To do this, simply type “cmd” into the Windows search bar, right-click on “Command Prompt,” and select “Run as Administrator.”

Alternatively, you can use the keyboard shortcut “Windows Key + X” to bring up the quick link menu and select “Command Prompt (Admin).” This will open the Command Prompt in administrative mode, allowing you to proceed with the next steps.

Once you have opened the Command Prompt as an administrator, you’re ready to move on to the next step and start resetting your DNS server.

Step 2: Run the Flush DNS Command

  1. Open the command prompt on your Windows computer by typing cmd in the Windows search bar and selecting the “Command Prompt” option.

  2. Once you have opened the command prompt, type the following command: ipconfig /flushdns. This will flush the DNS resolver cache and any stored IP addresses. It will also force your computer to retrieve new IP addresses from the DNS server.

  3. You will receive a message saying “Successfully flushed the DNS Resolver Cache.” This means that the DNS cache has been cleared and you can now exit the command prompt.

  4. If you are still experiencing DNS issues after running this command, you may want to try restarting your computer or router, or contacting your Internet Service Provider for further assistance.

If you’re a Mac user, you can run the equivalent command in the Terminal app by typing: sudo killall -HUP mDNSResponder. This will flush the DNS cache on your Mac.

By following these steps, you can easily flush the DNS cache on your Windows or Mac computer and potentially resolve any DNS issues you may be experiencing.

It’s important to note that clearing the DNS cache may cause some websites to load more slowly initially, as your computer has to retrieve new IP addresses from the DNS server. However, this is a temporary issue and should only affect websites the first time you visit them after clearing the cache.

Troubleshooting Common DNS Errors

If you’re experiencing DNS errors, there are a few common issues that you can troubleshoot to resolve the problem. Here are some steps you can take:

Check your network connection: Make sure that you are connected to the internet and that your network connection is stable. You can try resetting your router or modem to see if that resolves the issue.

Check your DNS settings: Make sure that your computer is set to automatically obtain DNS server addresses. You can also try manually setting your DNS server to a public DNS, such as Google DNS or Cloudflare DNS.

Flush your DNS cache: Sometimes DNS errors can be resolved by clearing your DNS cache. You can do this by following the steps outlined in Step 2 above.

If none of these steps resolve the issue, it’s possible that there may be a problem with the DNS server that you are trying to connect to. You can try contacting your Internet Service Provider or the website administrator to see if they are experiencing any issues on their end.

It’s important to note that DNS errors can be caused by a variety of factors, and resolving them may require some trial and error. However, by following these steps, you can start troubleshooting common DNS errors and get back to browsing the web quickly and easily.

DNS Server Not Responding

If you are experiencing a DNS server not responding error, it could be due to various reasons. However, before you begin troubleshooting, make sure that your internet connection is working correctly.

If your internet connection is fine, try resetting your modem and router. If that doesn’t work, try the following:

  • Check your DNS settings: Make sure that your DNS settings are correct. If you are using a static IP address, make sure that you have entered the correct DNS server address.
  • Disable your firewall: Sometimes, firewalls can block DNS requests. Try disabling your firewall temporarily and see if that resolves the issue.
  • Restart your DNS client: Sometimes, restarting your DNS client can help fix the issue. To do this, open the Command Prompt and type “ipconfig /flushdns” and press enter. Then type “netsh winsock reset” and press enter.
  • Try a different DNS server: If none of the above solutions work, try changing your DNS server. You can use Google’s DNS server ( and or OpenDNS ( and

If the problem persists, you may want to contact your internet service provider for further assistance.

DNS Cache Poisoning

If you’re experiencing DNS issues, it might be due to DNS cache poisoning. This occurs when a hacker corrupts a DNS server’s cache with false information. As a result, you’re redirected to the wrong website or get an error message.

The best way to resolve this issue is to clear your DNS cache. This removes all of the saved DNS data and forces your computer to retrieve new DNS information from the server.

To clear your DNS cache, simply open a command prompt and enter the following command: ipconfig /flushdns. Wait for the process to complete, then try accessing the website again.

  • If you’re using a public Wi-Fi network, try switching to a different network or using a VPN to access the website.
  • You can also change your DNS server to a different one. There are many free and public DNS servers available, such as Google DNS and OpenDNS.
  • To prevent DNS cache poisoning in the future, make sure you have a reliable and up-to-date antivirus software installed on your computer. Keep your operating system and other software up to date as well.
  • It’s also important to be cautious when clicking on links and downloading files from unknown sources, as they could be malicious and infect your computer.

If you’ve tried all of these steps and are still experiencing DNS cache poisoning, you may need to contact your ISP or DNS provider for further assistance.

Alternative Methods to Reset DNS Server

If you’ve tried the previous methods but are still experiencing DNS issues, there are other alternative methods you can use to reset your DNS server. Here are some of them:

Clear DNS Cache on Mac OS X

If you’re using a Mac OS X computer, clearing the DNS cache can help resolve issues with the DNS server. To do this, open the Terminal app and type in the command sudo killall -HUP mDNSResponder. Then hit Enter and type in your admin password when prompted. This should reset the DNS cache on your Mac.

Disable IPv6

If you’re still having issues with the DNS server, you can try disabling IPvThis can be done by going to your network settings and unchecking the box next to “IPv6”. This will force your computer to use IPv4 instead, which may help resolve the issue.

Use Public DNS Servers

If resetting your DNS server doesn’t work, you can try using a public DNS server instead. This can be done by going to your network settings and manually changing the DNS server address to a public one such as Google’s DNS ( and or Cloudflare’s DNS ( and This can help resolve DNS issues caused by problems with your ISP’s DNS servers.

Restart Your Router

If all else fails, you can try restarting your router. This can help resolve issues with the DNS server on your network. Simply unplug your router from the power source, wait a few seconds, and plug it back in. Wait for the router to restart and try accessing the internet again.

Contact Your ISP

If none of the above methods work, it’s possible that there is an issue with your ISP’s DNS servers. Contact your ISP’s support team and inform them of the issue. They may be able to provide a solution or escalate the issue to their technical team.

Resetting DNS Server on Windows Settings

If you’re using a Windows operating system, resetting the DNS server can be done through the Settings app. Here are the steps:

  1. Open the Settings app and click on “Network & Internet”.
  2. Click on “Change adapter options”.
  3. Right-click on your network connection and select “Properties”.

Under “This connection uses the following items”, find “Internet Protocol Version 4 (TCP/IPv4)” and click on “Properties”.

Finally, click on “Obtain DNS server address automatically” and then click “OK” to save the changes. This will reset your DNS server on Windows settings.

Using Third-Party DNS Management Software

If you are looking for more advanced options to manage your DNS records, consider using a third-party DNS management software. These programs provide additional features and flexibility that may not be available through your domain registrar or web host. With that said, here are some benefits and considerations to keep in mind when using third-party DNS management software:

  • Flexibility: Third-party DNS management software often provides more flexibility than the default options provided by your domain registrar or web host. You can create custom DNS records, set up DNS failover, and more. This can be especially useful if you have a complex infrastructure or need to set up advanced configurations.
  • Speed: Some third-party DNS management software claim to have faster DNS resolution times than your default options. This can lead to faster website load times and improved user experience.
  • Cost: While some third-party DNS management software may be free, others may come at a cost. Be sure to weigh the benefits of the software against the cost to determine if it’s worth it for your needs.
  • Integration: Depending on the software you choose, it may integrate with other tools or services you are already using. This can provide a more streamlined experience and reduce the need to switch between different platforms.

Before using third-party DNS management software, it’s important to consider the potential downsides as well. These can include:

  • Technical expertise: Using third-party DNS management software may require more technical knowledge than using the default options provided by your domain registrar or web host. Be sure to research and understand the software’s capabilities and limitations before using it.
  • Security: By using third-party software, you are entrusting your DNS records to a third-party provider. It’s important to ensure that the software you choose has appropriate security measures in place to protect your records from unauthorized access or modification.
  • Reliability: Third-party DNS management software may have different uptime guarantees or service level agreements than your domain registrar or web host. Be sure to research the software’s reliability and uptime history to ensure it meets your needs.

In conclusion, third-party DNS management software can be a valuable tool for managing your DNS records, but it’s important to carefully consider the benefits and potential drawbacks before choosing a software to use.

Important: Always back up your DNS records before making any changes, and be sure to follow best practices for DNS management to avoid any potential issues.

Power Cycling Your Network Equipment

If you’re experiencing issues with your network equipment, power cycling it can often help resolve the problem. Power cycling means turning off the equipment, unplugging it from the power source, waiting a few seconds, then plugging it back in and turning it back on. Here are some tips to help you properly power cycle your network equipment:

  • Identify the equipment: Before you power cycle any equipment, make sure you know which devices need to be power cycled. This may include your modem, router, switches, and access points.
  • Turn off the equipment: Use the power button or switch to turn off each piece of equipment that needs to be power cycled. Wait at least 10 seconds to ensure that the device has fully shut down.
  • Unplug the equipment: Once the device is fully shut down, unplug it from the power source. If you have a backup battery or UPS, you may need to disconnect this as well.
  • Wait and reconnect: Wait at least 30 seconds before reconnecting the equipment to the power source. This will give the device enough time to fully discharge any residual power. Then, reconnect the device to the power source and turn it back on.

Power cycling is a simple yet effective way to troubleshoot and resolve network equipment issues. However, if you find that power cycling doesn’t solve the problem, there may be a more serious issue that requires further investigation. It’s also important to note that power cycling your equipment frequently can potentially cause damage to the devices, so it’s best to only do it when necessary.

If you’re still experiencing issues with your network after power cycling your equipment, it may be time to consult with a professional IT service provider. They can help identify and resolve any issues that may be causing problems with your network equipment, and provide you with the support you need to keep your network up and running smoothly.

Final Thoughts on Resetting DNS Server

Resetting DNS server can be a useful troubleshooting step to resolve various network issues. While it may seem like a daunting task, it can often be accomplished with just a few clicks. However, before resetting your DNS server, it’s important to understand what you are doing and why you are doing it.

Make sure you have exhausted all other troubleshooting options before resorting to resetting your DNS server. Additionally, always make sure you have a backup of your DNS settings in case something goes wrong during the reset process. Finally, remember that resetting your DNS server will erase any custom settings you may have configured, so be prepared to reconfigure these settings if necessary.

In conclusion, resetting your DNS server can be a powerful tool in resolving network issues, but it should only be used as a last resort. If you do need to reset your DNS server, make sure you understand the process and have a backup of your settings beforehand. With proper preparation and caution, resetting your DNS server can be a relatively simple process that can have a big impact on resolving network issues.

Preventing DNS Errors in the Future

Regular DNS Server Maintenance: To prevent DNS errors from happening in the future, it’s important to keep your DNS server maintained. This can include regular updates, patches, and security checks. Be sure to also monitor your server for any potential issues and address them promptly before they cause any problems.

Implement DNS Failover: DNS failover is a service that can automatically switch to a backup DNS server if the primary server goes down. This can help prevent downtime and minimize the impact of any potential DNS errors. It’s important to choose a reliable failover service and configure it properly to ensure seamless failover.

Use a Secondary DNS Provider: Using a secondary DNS provider can also help prevent DNS errors in the future. This involves setting up a backup DNS provider to ensure that your website remains accessible even if your primary provider experiences downtime. Be sure to choose a reputable secondary provider with reliable uptime and configuration options that fit your needs.

The Importance of Regular Maintenance

While resetting your DNS server can resolve many common issues, it’s important to remember that preventative maintenance is key to keeping your network running smoothly. By performing regular updates, backing up your data, and monitoring your network, you can catch potential issues before they become major problems.

Regular maintenance can help identify outdated equipment, security vulnerabilities, and other potential problems that may impact your network’s performance. Additionally, keeping your network up to date can help ensure compatibility with new technologies and software updates.

By prioritizing regular maintenance, you can avoid costly downtime and ensure that your network remains reliable and efficient. So, whether you manage a small business network or a large enterprise system, make sure to incorporate regular maintenance into your IT strategy.

Consulting a Professional for Complex DNS Issues

While resetting your DNS server or taking other troubleshooting steps can often fix many common DNS errors, there may be situations where the issue is more complex. In these cases, it’s important to consult with a professional who has expertise in DNS management and troubleshooting.

A professional can help identify the root cause of the issue and provide more advanced solutions, such as setting up a custom DNS server or configuring network settings. They can also ensure that your network is secure and protected from any potential cyber threats that could impact your DNS performance.

When choosing a professional, look for someone with experience in DNS management and troubleshooting, as well as a good track record of resolving complex issues. You may also want to consider someone who offers ongoing support and maintenance to help prevent future issues and ensure optimal DNS performance over time.

Frequently Asked Questions

What is DNS Server and why would you need to reset it using cmd?

DNS stands for Domain Name System, which translates human-friendly domain names into IP addresses that computers can understand. Sometimes, a DNS server may experience issues that can result in slow website loading times or an inability to connect to certain websites. Resetting the DNS server can help resolve these issues, and using cmd is one method of doing so.

What is cmd and how does it work?

Cmd, short for Command Prompt, is a Windows command-line interpreter that allows users to execute various commands and scripts. Using cmd to reset the DNS server involves entering specific commands that instruct the computer to clear and reset its DNS cache.

What are the steps to resetting the DNS server using cmd?

The steps to resetting the DNS server using cmd involve opening Command Prompt as an administrator, flushing the DNS cache, and resetting the DNS client resolver cache. Detailed step-by-step instructions can be found online or in various online resources.

Are there any risks or potential issues associated with resetting the DNS server using cmd?

While resetting the DNS server using cmd is generally safe, it is possible to accidentally enter the wrong command or to make other errors that can cause issues. Additionally, resetting the DNS server can cause some temporary disruption in internet access while the cache is cleared and rebuilt.

Can resetting the DNS server using cmd fix all DNS issues?

Resetting the DNS server using cmd can help resolve certain DNS issues, such as slow website loading times or an inability to connect to specific websites. However, it may not be a comprehensive solution for all DNS issues, particularly if the issue is related to network connectivity or other underlying hardware or software problems.

When should you consider resetting the DNS server using cmd?

If you are experiencing issues with slow website loading times, inability to connect to certain websites, or other DNS-related problems, resetting the DNS server using cmd may be a potential solution. Additionally, if you have tried other troubleshooting methods without success, resetting the DNS server may be worth attempting.

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