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Predictable-TXID DNS Recursion Vulnerability Scanner

You can scan DNS server to predictable-TXID vulnerability by using this tool.

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Short Info


Level

Medium

Single Scan

Single Scan

Can be used by

Asset Owner

Estimated Time

15 sec

Scan only one

Domain, Ipv4

Source

-

Checks a DNS server for the predictable-TXID DNS recursion vulnerability. Predictable TXID values can make a DNS server vulnerable to cache poisoning attacks (see CVE-2008-1447).

The script works by querying txidtest.dns-oarc.net (see https://www.dns-oarc.net/oarc/services/txidtest). Be aware that any targets against which this script is run will be sent to and potentially recorded by one or more DNS servers and the txidtest server. In addition your IP address will be sent along with the txidtest query to the DNS server running on the target.

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