DNS

Global DNS Propagation Checker - What's My DNS?
http://www.whatsmydns.net is an online service that allows you to instantly perform a DNS lookup to check a hostnames current IP Address and other DNS information against a selection of random name servers around the world. This is especially useful to check the current state of DNS propagation after making changes to your domains zones.

Google Public DNS Servers
8.8.8.8 8.8.4.4

Dig
dig @nameserver hostname type

e.g.

dig @8.8.8.8 indie-it.com A