Qs Regarding DNS

["uus36 () hotpop com" <uus36 () hotpop com>]

Hi,

I wanna know all the address of a site for eg lets say
windowsupdate.microsoft.com

Now when i do nslookup dig or host i find 7-8 entries but that does not
assure me that these are ALL the sites.

What i wanna do is get all the ip's of a site n block them.

but via this method i am not sure that i have all the ips of site.
i checked few websites on which it gives me a subnet about that site 
but not specifically n ... i think those are specific to a region.

Well ne one has some suggestion .. know some tool?

Thanx in Advance

-Joe



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