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DNS Predictable Source Port Vulnerability (CVE-2008-1447) Scanner

You can scan DNS server by using this tool.


Short Info




Single Scan

Can be used by

Asset Owner

Estimated Time

15 sec

Scan only one

Domain, Ipv4

Parent Category

DNS Predictable Source Port Vulnerability (CVE-2008-1447) Scanner Detail

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

The script works by querying (see 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 porttest server. In addition your IP address will be sent along with the porttest query to the DNS server running on the target.