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According to Live Direct Marketing's daily DNS scan (July 13, 2026), collegeboard.org (Tranco rank #2,126) receives mail via Proofpoint. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Proofpoint |
|---|---|
| ESPs in SPF | none detected |
| SaaS senders in SPF | none detected |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com |
| Tranco rank | #2,126 |
| Snapshot | 2026-07-13 (updated daily) |
collegeboard.org uses Proofpoint 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 — collegeboard.org publishes p=reject, the strictest DMARC policy (as of July 13, 2026).