inaccessible to internal computers, even though an external computer receives the new DNS entry and can use the website. This happens because our internal computers are accessing our own DNS which has the webbsite manually entered as a forward lookup and only changes when we go in to update ...
So what is a reverse DNS lookup, why should you care, and how can you perform a reverse DNS lookup? This article aims to answer all these burning questions. We’ll look at what a reverse DNS lookup is, what the benefits are of performing it, and finally, we’ll walk you through a ...
Reverse DNS can be performed on any operating system and any computer connected to the internet. To perform a reverse DNS lookup on Linux, the command Terminal is used. This guide will help you learn how to perform reverse DNS lookup in Linux. We shall cover three different methods you can...
The term DNS stands for “Domain Name System.” When a browser needs to fetch a resource for a webpage, it must perform a “lookup” to find the corresponding IP address for the domain associated with that resource. This lookup process occurs at least once for each domain from which your...
DNS lookup failure is a common problem in Google Chrome browser if you are using a broadband connection. This problem often occurs when your internet connection is not properly working or it could arise when the DNS server is no longer responding. This guide will show you how to fix DNS Lo...
DNS prefetching enables a server or browser to perform a DNS lookup in advance and to store or cache that information. That way, when a visitor tries to access the website, the information is available faster. This is because the lookup occurs locally instead of having to go through the fu...
If you are facing any DNS errors, you should also try this solution. Clear DNS Cache On Your Computer To Fix DNS Lookup Failed Error If you have tried the method above, but the error persists, you can try to remove all DNS caches on your Windows PC with a simple command in Command ...
the particular IP address is exactly belonging to the domain name. That is very important when it comes to sending an email. The receiving mail servers usually desire to verify the source of the email and perform a reverse DNS lookup. Therefore, they examine and seek exactly the PTR records...
If your DNS server is experiencing issues or not running, this can cause an NXDOMAIN error. To verify that your DNS server is running, check your server logs or use a tool like DNSstuff to perform a DNS lookup. If your domain name is not registered correctly, it can cause the NXDOMAIN...
DNS is part of the Windows Server 2003 TCP/IP protocol suite and all TCP/IP network connections are, by default, configured with the IP address of at least one DNS server in order to perform name resolution on the network. Windows Server 2003 components that require name resolution will ...