This tool allows you to find DNS records for any website or domain name.
There are many situations where this tool would be useful:
For example, when you are configuring the DNS records of your own domain, you might want to check whether you have configured them correctly. You can do this by entering the domain name at the top of this page.
Whenever you change DNS records, it takes a while for it to propagate through the entire domain name system. This takes time because DNS servers cache records in order to speed up DNS resolution. So whenever you change DNS records, you can check whether they have propagated yet by doing a DNS lookup.
Simple and powerful, fast and convenient.