Reverse DNS Lookup

Convert an IP address to host name by searching domain name service tables.

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Because IP addresses are tedious to deal with and hard to remember, an IP address may also be assigned a host or domain name. You can think of an IP address as someone's physical street address and the host/domain as "Bob's House". Multiple host/domain names can be directed to one IP address (as is often the case and referred to as virtual hosting). Host names may be looked up to find IP addresses, and visa-versa.

ip:

What is my ip
Reverse DNS Lookup

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