Defaults.Exposed › Stats › Email authentication (SPF, DKIM, DMARC)
How many SPF records use +all?
As of July 28, 2026 · census snapshot 2026-07-28
As of July 28, 2026, 36,262 domains publish an SPF record ending in +all — a directive that authorizes the entire internet to send mail as that domain, making the record worse than publishing nothing.
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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, "How many SPF records use +all?" (as of July 28, 2026). https://defaults.exposed/stats/how-many-spf-records-use-plus-all
Permalink:https://defaults.exposed/stats/how-many-spf-records-use-plus-all · Machine-readable:spf-plus-all.json · Licence:open data
Methodology: how we grade the internet · Source data: defaults.exposed/data. Updated with each census edition.