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According to Live Direct Marketing's daily DNS scan (July 13, 2026), kernel.org (Tranco rank #1,323) receives mail via Self-Hosted. Its DMARC policy is p=quarantine — 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=quarantine |
| DMARC record | v=DMARC1; p=quarantine; rua=mailto:dmarc@kernel.org |
| Tranco rank | #1,323 |
| Snapshot | 2026-07-13 (updated daily) |
kernel.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.
Partially — kernel.org publishes p=quarantine (as of July 13, 2026).