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Email infrastructure of w3.org

According to Live Direct Marketing's daily DNS scan (July 13, 2026), w3.org (Tranco rank #180) receives mail via Self-Hosted. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.

Mailbox provider (MX)Self-Hosted
ESPs in SPFnone detected
SaaS senders in SPFnone detected
DMARC policyp=reject
DMARC recordv=DMARC1; p=reject; rua=mailto:ade5335604f1484dba5c0b11b27d7fce@dmarc-reports.cloudflare.net,mailto:dmarc-rua@w3.org; ruf=mailto:dmarc-ruf@w3.org; fo=1;
Tranco rank#180
Snapshot2026-07-13 (updated daily)

Frequently asked questions

What email provider does w3.org use?

w3.org uses Self-Hosted for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.

Does w3.org enforce DMARC?

Yes — w3.org publishes p=reject, the strictest DMARC policy (as of July 13, 2026).

DNS records say who should deliver your mail — they don't say whether it lands in the inbox. Run a free inbox placement test for w3.org at Gmail, Outlook, Yandex and Mail.ru.
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