free dns test tools

using nslookup interactively
a short lesson on using the windows nslookup.exe dns query tool

These are useful free dns testing tools located on other web sites. Please note that edgedirector.com takes no responsibility for external sites.

ping from multiple locations
see what ip address is being used for a host name from 30+ global locations

dns test report at intodns.com
quick and easy analysis of the dns data for any specified dns zone with recommended corrective actions.

dns propogation report at whatsmydns.net
quick and easy analysis of the dns data for any specified dns zone with recommended corrective actions.

dns propogation test
find out what addresses are being returned by large isp dns cache servers

dns speed test
find out how fast your dns queries are answered from 30+ test points

dns speed test in europe
find out how fast your dns queries are answered with timings for dns traversal

mail server blacklist report at mxtoolbox.com
find out if your mail server is blacklisted by any of the major spam rbldns lists

level3.net looking glass page
traceroute, ping, whois, bgp routing tables from all level 3 network pops

dns tools at ping.eu
ping, whois, traceroute, port check, mail relay check, dns lookup, proxy check, reverse lookup, bandwidth meter and a cute penguin

route-server.ip.att.net
AT&T public route server accessed via telnet protocol

web page speed test
finding out how long it takes for your site to load from various parts of the world will help you decide whether global load balancing is for you.