Windows has an inbuilt command line tool – nslookup. It can be used to diagnose the Domain Name System (DNS) infrastructure. It needs TCP/IP installed on your computer to work. The only drawback here ...

Computers can interpret only a series of numbers and thus, DNS (Domain Name System) was created to translate domains from the web browser into IP addresses. In this post, we will learn about a free ...

The Address (A) record associates a domain name or subdomain with an IP address, which is the primary purpose of the DNS system. The @ sign identifies "this domain;" for example, A @ nnn.nnn.nnn.nnn ...

Encryption comes at a cost.

DNS can be tricky. There is a lot to know and, even when you think you have a firm grasp on it, surprises still pop up. Reverse DNS and PTR record configuration is one of those sneaky topics, but it’s ...

If you want to be a sysadmin or network administrator of any kind, there’s a fundamental technology you really need to understand—DNS, the Domain Name System. There was a time when a sysadmin with no ...