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According to Live Direct Marketing's daily DNS scan (July 13, 2026), dian.gov.co (Tranco rank #11,825) receives mail via Trend Micro and sends through SendClean, Masiv, Trend Micro Email Security. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Trend Micro |
|---|---|
| ESPs in SPF | SendClean, Masiv, Trend Micro Email Security |
| SaaS senders in SPF | none detected |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1; p=reject; rua=mailto:seguridadinfo@dian.gov.co |
| Tranco rank | #11,825 |
| Snapshot | 2026-07-13 (updated daily) |
dian.gov.co uses Trend Micro for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
dian.gov.co authorises SendClean, Masiv, Trend Micro Email Security in its SPF record as of July 13, 2026.
Yes — dian.gov.co publishes p=reject, the strictest DMARC policy (as of July 13, 2026).