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DNSDig is a web version of dig. Allows queries for a domain's DNS from any machine on the Internet.
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Online utility for DNS administrators. Test your DNS servers, domain registration, mail and web servers.
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A gateway for: finger, nslookup, WHOIS, SSL, traceroute, ping, and dig.
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Check the delegation of your domain. Has interesting graphical results.
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Provides a free DNS report on your domain name, verifying that your DNS hosting is working properly. Includes over 40 different tests, looking for both minor and major problems.
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Handy web-based DNS lookup service, with links.
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Many free web-based DNS and domain name tools all in one location. Includes standard DNS lookups, WHOIS/IPWHOIS, and even obscure DNS hosting tests, IPv6, IP-to-country and spam database lookups. Fast and thorough.
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A WHOIS domain name search. Check domain name registrations, look up domain names, IP addresses, nameservers, registrars, etc.
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Web-based nslookup tool that lets you look up IP address information. Query their and other DNS domain name servers to look up and find IP address information of computers on the internet.
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Provides basic forward and reverse DNS lookups, as well as MX record and server software lookups.
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Free tool to check the security of any name server. Requests a name server zone transfer for any domain.
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Sitegizmos provides some DNS tools, as well as some other tools useful to webmasters.
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You can query any domain here to find the DNS information similar to a nslookup. Links to whois information.
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Provides ping, traceroute, whois, finger, nslookup, and dig.
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iWEBTOOL has frequently used web tools. Tools ranging from a rank checker to HTML encrypter.
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Complete DNS traversal check. Shows every DNS server that is (or maybe) used for a DNS lookup.
