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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 SPF | none detected |
| SaaS senders in SPF | none detected |
| DMARC policy | p=reject |
| DMARC record | v=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 |
| Snapshot | 2026-07-13 (updated daily) |
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.
Yes — w3.org publishes p=reject, the strictest DMARC policy (as of July 13, 2026).