← Look up another domain · Email Stats home
According to Live Direct Marketing's daily DNS scan (July 13, 2026), frontiersin.org (Tranco rank #900) receives mail via Microsoft 365 and sends through Salesforce, Zendesk. 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, Zendesk |
| SaaS senders in SPF | Qualtrics |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1; p=reject; rua=mailto:dmarc@6q27rcsp.uriports.com,mailto:dmarc_agg@dmarc.everest.email; ruf=mailto:dmarc@6q27rcsp.uriports.com,mailto:dmarc_fr@dmarc.everest.email; fo=1; rf=afrf |
| Tranco rank | #900 |
| Snapshot | 2026-07-13 (updated daily) |
frontiersin.org uses Microsoft 365 for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
frontiersin.org authorises Salesforce, Zendesk in its SPF record as of July 13, 2026.
Yes — frontiersin.org publishes p=reject, the strictest DMARC policy (as of July 13, 2026).