Free online network tools, including traceroute, nslookup, dig, whois, ping, and our own Domain Dossier and Email Dossier. Works with IPv6. Some source code included.
Check your network path with our simple visual
traceroute. Use our icmp ping and traceroute
to check your servers. Use our nslookup utility to grab dns records, including
Do global domain searches, look up internic whois
records, and query the arin
database with our automatic whois lookup. Use our software tools to do
ip address lookups
and reverse lookups. Some of the scripts have
asp source code, and some
include visual basic (vb) versions.