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According to Live Direct Marketing's daily DNS scan (July 13, 2026), ou.edu (Tranco rank #8,809) receives mail via Proofpoint and sends through Mailchimp, SendGrid (Twilio), Zendesk. Its DMARC policy is p=quarantine — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Proofpoint |
|---|---|
| ESPs in SPF | Mailchimp, SendGrid (Twilio), Zendesk, TouchNet (FIS) |
| SaaS senders in SPF | Pardot (Salesforce), Qualtrics |
| 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 | #8,809 |
| Snapshot | 2026-07-13 (updated daily) |
ou.edu 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.
ou.edu authorises Mailchimp, SendGrid (Twilio), Zendesk, TouchNet (FIS) in its SPF record as of July 13, 2026.
Partially — ou.edu publishes p=quarantine (as of July 13, 2026).