A modern, terminal-based web inspection & security testing lab 2026
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Updated
Apr 20, 2026 - Python
A modern, terminal-based web inspection & security testing lab 2026
PTRex is a Bash script for performing reverse DNS (PTR) lookups on single IPs, CIDR ranges, or IP lists. It uses getent hosts, supports parallel execution for speed, and filters results to show only successful lookups.
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