Penguin
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The action of finding a HostName given an IP address, using DNS.

bash-2.05b$ host 203.97.10.50 50.10.97.203.IN-ADDR.ARPA domain name pointer hoiho.wlug.org.nz

A ReverseLookup uses PTR? records in DNS.

Contrast ForwardLookup.


CategoryNetworking