Porkbind retrieves version information for the nameservers of a domain and produces a report that describes possible vulnerabilities of each.
You can download it from the following link: https://packetstormsecurity.com/files/download/17717/porkbind-0.99b.tar.gz
Source: https://packetstormsecurity.com/files/17717/porkbind-0.99b.tar.gz.html