This PERL script, by Jimmy Neutron, is great for determining DNS names with Google. This tool, which is essential for network mapping, accepts two somewhat related words, and a domain name as arguments. The two words are sent through Google sets which expands the words into a list of related words. For example, “earth” and “mars” would expand to Venus, Mercury, Jupiter, Saturn, Neptune, Uranus, Pluto. If fed domain foo.com, dnspredict would then attempt to DNS resolve venus.foo.com, mercury.foo.com, etc. This Windows version is standalone, and requires nothing other than this executable.

(Source)

We will try to predict dns name for domain google.com with these arguments:

dnspredict.pl –domain google.com -item1 1 -item2 2

That’s all!!!

pavs