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Yep, except for the small site that only ever set up A/MX and are using hosted email.

Sometimes in those cases DNS history is enough.

Thanks - forgot to mention dns history, and a domaintools subscription is worth it

Or just http://ViewDNS.info/ for a free alternative :)

Heh, 99$/month, not worth it for me as a lowly scrub.

Cool to see what you're doing though, wish I had a sub myself.