- By Omura Saki
- Published 24 November 2009
- Dedicated Servers
-
Rating:
Unrated

Reverse DNS (Domain Name System) lookup, also known by the acronym (rDNS), is the process by which someone can look up a host name given a particular IP address. Reverse DNS is also known in some places as reverse resolving. It is the opposite of DNS lookup, by which someone looks up an IP address given a particular host name.