Script dns-recursion

Script types: portrule
Categories: default, safe
Download: https://svn.nmap.org/nmap/scripts/dns-recursion.nse

Script Summary

Checks if a DNS server allows queries for third-party names. It is expected that recursion will be enabled on your own internal nameservers.

Example Usage

nmap -sU -p 53 --script=dns-recursion <target>

Script Output

PORT   STATE SERVICE REASON
53/udp open  domain  udp-response
|_dns-recursion: Recursion appears to be enabled

Requires

• comm
• nmap
• shortport
• string

---

Author:

• Felix Groebert

License: Same as Nmap--See https://nmap.org/book/man-legal.html