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According to Live Direct Marketing's daily DNS scan (July 13, 2026), defensx.com (Tranco rank #5,690) receives mail via Microsoft 365 and sends through HubSpot, SendGrid (Twilio), 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 | HubSpot, SendGrid (Twilio), Zendesk |
| SaaS senders in SPF | none detected |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1;p=reject;sp=reject;rua=mailto:dd31d8409d@rua.easydmarc.com;ruf=mailto:dd31d8409d@ruf.easydmarc.com;fo=1 |
| Tranco rank | #5,690 |
| Snapshot | 2026-07-13 (updated daily) |
defensx.com 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.
defensx.com authorises HubSpot, SendGrid (Twilio), Zendesk in its SPF record as of July 13, 2026.
Yes — defensx.com publishes p=reject, the strictest DMARC policy (as of July 13, 2026).