DNS
robtex
[weblink] Submitted by Michael on 4. October 2008 - 23:57 (5. October 2008 - 0:10)
robtex swiss army knife internet tool.
DNS Stuff
[weblink] Submitted by Michael on 24. May 2008 - 8:09 (21. September 2009 - 6:19)
DNSstuff: Free fast, advanced and comprehensive web-based DNS and domain name tools for DNS hosting, going beyond just ping, tracert/traceroute, WHOIS and DNS lookups.
