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According to Live Direct Marketing's daily DNS scan (July 15, 2026), transunion.com (Tranco rank #12,560) receives mail via Proofpoint and sends through Masiv, Proofpoint, Salesforce. Its DMARC policy is p=quarantine — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Proofpoint |
|---|---|
| ESPs in SPF | Masiv, Proofpoint, Salesforce |
| SaaS senders in SPF | none detected |
| DMARC policy | p=quarantine |
| DMARC record | v=DMARC1; p=quarantine; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com |
| Tranco rank | #12,560 |
| Snapshot | 2026-07-15 (updated daily) |
transunion.com uses Proofpoint for inbound mail (detected from its primary MX record) as of July 15, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
transunion.com authorises Masiv, Proofpoint, Salesforce in its SPF record as of July 15, 2026.
Partially — transunion.com publishes p=quarantine (as of July 15, 2026).