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According to Live Direct Marketing's daily DNS scan (July 13, 2026), nber.org (Tranco rank #4,483) 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 | KnowBe4, Atlassian (Jira/Confluence) |
| DMARC policy | p=quarantine |
| DMARC record | v=DMARC1; p=quarantine; rua=mailto:616e172520ac149@rep.dmarcanalyzer.com; ruf=mailto:616e172520ac149@for.dmarcanalyzer.com; fo=1; |
| Tranco rank | #4,483 |
| Snapshot | 2026-07-13 (updated daily) |
nber.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 — nber.org publishes p=quarantine (as of July 13, 2026).