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conflictLOW2026-04-28 12:26 UTC

The state of email infrastructure: what 660K DNS records reveal in 2026

The conventional wisdom is that Google Workspace and Microsoft 365 dominate business email. I pulled the DNS records of every domain in Tranco top-1M to check. Their combined share: 37.94%. The other ~62% — half a million domains — live somewhere else: hosted at registrars, in regional providers, on

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