Defaults.Exposed › Stats › Email authentication (SPF, DKIM, DMARC)
What percent of domains publish MX records?
As of July 28, 2026 · census snapshot 2026-07-28
As of July 28, 2026, 59.2% of the domains graded in the Defaults.Exposed census publish explicit MX records — 163,230,702 domains set up to receive email.
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Statistic current as of July 28, 2026. Recomputed from the live census each edition; the number on this page and the machine-readable twin always match. Please cite Defaults.Exposed and link this page.
Defaults.Exposed, "What percent of domains publish MX records?" (as of July 28, 2026). https://defaults.exposed/stats/what-percent-of-domains-have-mx-records
Permalink:https://defaults.exposed/stats/what-percent-of-domains-have-mx-records · Machine-readable:mx-adoption.json · Licence:open data
Methodology: how we grade the internet · Source data: defaults.exposed/data. Updated with each census edition.