Domain Lookup - Test to see if the domain name you are interested in is available or not.
Network Query Tool - Perform a battery of tests on a given domain.
Check the IP number the domain name resolves to.
Get the domain's DNS records.
Perform a Whois search on both the IP number and the domain name.
Test the domain host's connectivity by port, ping and traceroute.
Convert Case - an incredibly useful tool for correcting capitalization errors.
There's no rest for the weary, or the webmaster, as it turns out....
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