What is Reverse DNS?

Reverse DNS, also known as rDNS, represents the process of resolving an IP address to a domain name. It is the opposite operation of the Forward DNS query. It requires the creation of an additional DNS record, named PTR (pointer) record. Many administrators use it mainly for their email servers in order to prevent spam and provide validation. Read more details about Reverse DNS!

Dig command explained

The Dig command is a network administration command-line tool for querying the Domain Name System (DNS). Its full name is actually Domain Information Groper. With it, you can check all kinds of DNS records, check name servers, and perform a Reverse DNS lookup. Therefore, it is very helpful for network troubleshooting. Check out more interesting information about the Dig command!

Traceroute command – Definition

Traceroute command is an amazing diagnostic tool with a command-line interface (CLI) that is already built-in. You can use it though out the Terminal application. In the most common cases, the Traceroute command is implemented for tracing the route from the device, sending the traceroute request to a hostname or IP address. Find out more information about the Traceroute command!

Nslookup command explained

The Nslookup command is a great and beneficial tool, which is available for usage on every popular operating system (OS), like Windows, Linux, and macOS. Additionally, it has an easy-to-use command-line interface (CLI). With the Nslookup command, you can perform various kinds of DNS checks, plus Reverse DNS lookup. It presents essential data for your domain name, which is the reason why it is one of the most popular tools for DNS administrators. Read about the most popular Nslookup commands!