ERR_NAME_NOT_RESOLVED means that the domain name cannot be resolved. DNS (Domain Name System) is responsible for resolving domains, and every domain on the internet has a name server, which make it possible for the DNS’s to resolve Domain Names.
This error on Google Chrome, means the same as above but with a better understanding of the issue you will be able to diagnose and fix it. Generally, you will see this error when you cannot open a website. The error technically means, that the name cannot be resolved. There are various reasons for this error to pop-up; and in general the error may be a result of a mis-configuration on your computer or router OR it could be an issue with the website you’re trying to visit which may be down.
There are two possible scenarios, read the one that is applicable to you.
The site you are trying to access is your website, and it returns ERR_NAME_NOT_RESOLVED
When you setup a website, you get hosting with it or you buy it from a different hosting provider. When you get the hosting, you are given name servers, that should be updated with the Domain Register. For example, appuals.com is registered with GoDaddy and hosted with CloudFlare, Cloudflare, gave us their nameservers, which we’ve updated at GoDaddy.
Here’s an example image of another site, that is registered with GoDaddy but has BlueHost as their hosting provider.
If the hosting was with GoDaddy, then i may not have had to update the nameservers, usually GoDaddy does it by themselves.
So what you need to ensure is that your name servers are properly updated, and you are using the nameservers given to you by your hosting provider.
If you’re not sure about this, you can check the settings by going to intodns.com/your-domain-name.com
If just your site isn’t working, and all other sites are you can see what the nslookup reports from Command Prompt.
Hold the Windows Key and Press R. Type cmd and Click OK.
type nslookup your-site.com and Press ENTER.
If it doesn’t returns a Valid IP Address, or if tells that the domain doesn’t exists, or any other error then you must check with your host.
The site you are trying to access is a general site, that is accessible everywhere else but not just on your Device
If this is the case, then it is highly likely that your ISP’s DNS Servers are down, or the DNS settings are not configured properly. Google has given Public DNS Servers, with a 99.99% uptime, which you can use to fix the issue.
Hold the Windows Key and Press R.
Type ncpa.cpl and Click OK.
Right Click your Network Adapter and choose Properties, highlight/select Internet Protocol Version 4 (TCP/IPv4) and click Properties.
Put a check on Use the following DNS Server Addresses and update the two fields with the following addresses:
Click OK and Test.
Updating Your DNS on a MAC OS X
On a Mac OS X Click the Apple icon from the top left, and choose System Preferences. Click the Network icon, and make sure your active adapter (ethernet or wireless) is selected, then click Advanced.
Go to the DNS Tab and click the + Symbol. Add the following DNS’s into it and remove others if there were any.
Clear Google Chrome’s Host Cache and Disable Predict network Actions
- Open Chrome and go to Settings, then click Show Advanced Settings.
- Click Privacy.
- Find Predict network actions to improve page load performance or or use a prediction service to load pages more quickly, and disable it.
- Once done, type chrome://net-internals/#dns in the Address bar and hit the ENTER key.
- Click Clear Host Cache
This should resolve the issue.
PRO TIP: If the issue is with your computer or a laptop/notebook you should try using the Reimage Plus Software which can scan the repositories and replace corrupt and missing files. This works in most cases, where the issue is originated due to a system corruption. You can download Reimage Plus by Clicking Here