Internet

Abuse.net
Colour Codes
CVE
DC dot meta data
DCMI Dublin Core
Declude open relay blacklist lookup
dns lookup engine
DNSreport
DNSstuff
DTIC Your Computer's Identity
Fluid Dynamics MX record lookup
How do I get my email program to reveal email with headers?
.htaccess Generator
IANA
ICANN
IETF RFC
InterNIC
List of port numbers Neohapsis
List of port numbers IANA
List of port numbers Dave's port list
Lookup port numbers fishnetsecurity
Nominet.uk
Obscure - full reference
Obfuscation - a quick reference
Organizationally Unique Identifiers (OUI)
Port numbers well-known trojans use Sans
PURL.org
WinSock Development Information sockets.com
RFC 1700 Assigned Numbers
RFC 1918 Private Addressing
RFC editor
Subnet Calculator
Super DNS

Whois Source
e.g. of url link

SamSpade example url

whois - APNIC
whois - ARIN
whois - IANA
whois - LACNIC
whois - RIPE
whois - dot name

backorder - Pool
backorder - SnapNames

Unicode Alan Wood
What's My IP
World Wide Web Consortium (W3C)
W3C Link Checker

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