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According to Live Direct Marketing's daily DNS scan (July 12, 2026), opensea.io (Tranco rank #4,584) receives mail via Google Workspace and sends through Zendesk, Mailgun. 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 | Zendesk, Mailgun |
| SaaS senders in SPF | Atlassian (Jira/Confluence) |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:dmarc@opensea.io |
| Tranco rank | #4,584 |
| Snapshot | 2026-07-12 (updated daily) |
opensea.io uses Google Workspace for inbound mail (detected from its primary MX record) as of July 12, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
opensea.io authorises Zendesk, Mailgun in its SPF record as of July 12, 2026.
Yes — opensea.io publishes p=reject, the strictest DMARC policy (as of July 12, 2026).