Simple Perl Script To Demonstrate DNS Name Lookups In Linux

Posted by eggi on May 24, 2008 2:32 AM CST
The Linux And Unix Menagerie; By Mike Golvach 		Mail this story
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This article approaches the opposite of a double-reverse-lookup (The double-reverse-lookup being IP to Name to IP mapping, with this being Name to IP to Name mapping). Some sites use Double Reverse Lookups as a security measure.

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