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According to Live Direct Marketing's daily DNS scan (July 13, 2026), synthesia.io (Tranco rank #11,376) receives mail via Google Workspace and sends through HubSpot, Mailgun, Mandrill. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Google Workspace |
|---|---|
| ESPs in SPF | HubSpot, Mailgun, Mandrill, Amazon SES |
| SaaS senders in SPF | KnowBe4 |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1; p=reject; rua=mailto:dmarc@bzb9d8cf.uriports.com,mailto:328ed4a55b@rua.easydmarc.us; pct=100; ruf=mailto:dmarc@bzb9d8cf.uriports.com,mailto:328ed4a55b@ruf.easydmarc.us; fo=1; |
| Tranco rank | #11,376 |
| Snapshot | 2026-07-13 (updated daily) |
synthesia.io uses Google Workspace for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
synthesia.io authorises HubSpot, Mailgun, Mandrill, Amazon SES in its SPF record as of July 13, 2026.
Yes — synthesia.io publishes p=reject, the strictest DMARC policy (as of July 13, 2026).