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Who Hosts Their Email? Free Email Provider Checker

Tool demo · Email Provider Checker

A short walkthrough of the free WarmInboxes email provider checker: enter a domain and see whether its mail is hosted by Google, Microsoft, another provider or behind a security gateway.

Email Provider Checker

Find out who hosts a domain’s email — Google, Microsoft, Zoho, or a security gateway — from one lookup.

Run the Email Provider Checker → Free, no account.

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