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According to Live Direct Marketing's daily DNS scan (July 12, 2026), dot.gov (Tranco rank #2,979) receives mail via Microsoft 365 and sends through Salesforce Marketing Cloud, Salesforce. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Microsoft 365 |
|---|---|
| ESPs in SPF | Salesforce Marketing Cloud, Salesforce |
| SaaS senders in SPF | none detected |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1; p=reject; sp=reject; pct=100; fo=1; rf=afrf; ri=43200; rua=mailto:dmarc_reports@dot.gov,mailto:reports@dmarc.cyber.dhs.gov; ruf=mailto:dmarc_reports@dot.gov |
| Tranco rank | #2,979 |
| Snapshot | 2026-07-12 (updated daily) |
dot.gov uses Microsoft 365 for inbound mail (detected from its primary MX record) as of July 12, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
dot.gov authorises Salesforce Marketing Cloud, Salesforce in its SPF record as of July 12, 2026.
Yes — dot.gov publishes p=reject, the strictest DMARC policy (as of July 12, 2026).