Worldwide Whois
Lookup domain name owner:
IP Whois
IP number:
RIPE (Europe)
Query the RIPE Database
ARIN (US)
Query the ARIN Database
APNIC (Asia Pacific)
Query the APNIC Database
NSLookup
Domain or Host:
Zone Transfer:
Traceroute
Host or IP address of site to trace to (do NOT complain to ISPs near the top, only the end ISP, use with care):
Ping
Host to ping:
Decode Obfuscated URLs
Cloaked URL:
MAPS RBL
Enter an IP address to see if it's listed in the
MAPS RBL
:
MAPS RSS
Enter an IP address to see if it's listed in the
MAPS RSS
:
OsiruSoft’s ORSS
Enter an IP address to see if it's listed in the ORSS database:
Spamhaus SBL Blocklist
Enter an IP address to see if it's listed in the
SBL
blocklist:
The Spamhaus Project
Want to know who's behind the spam you get?
The Spamhaus Project
The Rogue ISP Chart
: ISPs who intentionally profit off the spam problem:
The Internet's top 10
Spam Support ISPs
The Spamhaus Project database holds information on spam support outfits:
ROKSO
Register Of Known Spam Operations
is an evidence database collating information on the Internet's known spam gangs:
Aurora Data Recovery Experter