How To Fix DNS Server Unavailable? [2021 Latest]

You might have seen your DNS server might be unavailable     message on your PC and always wondered why is my DNS server unavailable. To understand this, first, check out what DNS (Domain Name System) is. DNS translates the website name to IP address for information retrieval and shows it on the screen. It is the server that stores all the domain names for all the sites that you have visited. If the domain name of any website gets stored in the DNS server, the server returns the respective IP address. The server runs on a decentralized system that means it runs on multiple places, and many issues can occur in between that cause the DNS server unavailable. The main cause behind such errors can occur due to the outage in the server that causes this error. The article will answer the question of how to fix DNS server unavailable. If you are also looking for a solution to fix the DNS server unavailable, you need to find the cause behind it. Let us see the different causes and the solutions to fix them.

How Do DNS Servers Work?

In order to solve DNS-related issues, you must understand how DNS works. Every website consists of a name and number. Here, the name is something that the user enters in the Address Bar of a browser, for example, The number linked to a website is the IP Address that defines the location of the website. The task of the DNS server is to link a Name and the Number.

As a user enters the website name in the browser, the browser asks for its IP Address from the nearest DNS server. As the DNS server sends the IP Address, the browser opens the webpage that appears on the users’ screen. In case the server is unavailable, the browser cannot acquire the IP Address and sends back the error. That is what we call the server is down. The users are unaware of all these background tasks.

How To Fix The DNS server unavailable Error?

If you are getting DNS server unavailable error, you can resolve it with a number of possible solutions. Below are some of the solutions that you can try on your computer:

Solution 1: Reset your computer

If there is a minor problem, it will get resolved by this method. It is the easiest method to try in case you have a router connected to your internet connection. You simply have to restart and reconnect your router.

Solution 2: Using netsh command

Netsh command is helpful in case a DNS server might be unavailable and a message appears frequently. Follow the below steps for that:

Step1: Press keys Windows + X and click on Command Prompt (Admin). If the Command Prompt option is not present in the list, select the option Windows PowerShell (Admin) from the list.

Step2: In the command prompt, enter netsh int ip reset and press Enter key.

Once the command executes completely, check if the error appears again.

Solution 3: Enter IP address manually

You may encounter a DNS server might be unavailable if the IP address is not manually set.

Step1: Press the keys Windows + R. Type ncpa.cpl in the text box and click the OK button.

Step2: Right-click on your network connection and click on the Properties option.

Step3: Select the check-box with the label Internet Protocol Version 4 (TCP/IPv4) in the properties window and click on the Properties button.

Step4: Type the IP address as shown in the below image in the General tab. Enter the values for IP address, default gateway, subnet mask, preferred, and alternate DNS server fields. After entering the values, enter the OK button.

Once done with these steps, the error should disappear.

Frequently Asked Questions:

Q 1: How can I fix a DNS Server unavailable wifi related issue?

A: If you face any issues regarding the DNS Server, you must try resetting the router as the first step.

Q 2: What is the meaning of Your DNS Server Might is unavailable?

A: There are many reasons behind this error, which include DNS not responding. One of the most common reasons is that your internet is not well-connected.

Q 3: What do the DNS Servers do?

A: DNS Server plays a crucial role in translating a domain name into IP address, which a PC can easily recognize and understand. The DNS Server also envelops the list of the Mail Servers for accepting emails for each domain name.

Final Verdict:

To conclude, the article explained the different possible solutions for the occurrence of DNS server might be unavailable. You can try any of these fixes as per the issue in your system. If you are unsure about the issue try all and see which one suits your system. Hopefully, the article was helpful to you in fixing the error.

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