DRC is a domain name registrant lookup tool. Its usefull for finding out who registered a hostname/ip, You can also find you the abuse email of servers etc. There is a fully configurable config where you can add new domain name extensions
SmartEdge LLC
JitBit Software
Parental Control Software
PMc Software
Paragon Technologie GMBH
Thomas Baecker
Alentum Software, Inc.
KeepSoft
DevDirect
APNSoft
Origramy
Nexus Concepts
Lanapsoft
ASPSpellCheck.com
Franck LC MEROPS
InfoSoft Global (P) Ltd.
Smardec
KS-Soft