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According to Live Direct Marketing's daily DNS scan (July 13, 2026), cas.cn (Tranco rank #10,730) receives mail via Generic / unmatched (mx*.*). Its DMARC policy is p=quarantine — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Generic / unmatched (mx*.*) |
|---|---|
| ESPs in SPF | none detected |
| SaaS senders in SPF | none detected |
| DMARC policy | p=quarantine |
| DMARC record | v=DMARC1; p=quarantine; rua=mailto:dmarc-report@cstnet.cn; ruf=mailto:dmarc-report@cstnet.cn |
| Tranco rank | #10,730 |
| Snapshot | 2026-07-13 (updated daily) |
cas.cn uses Generic / unmatched (mx*.*) for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
Partially — cas.cn publishes p=quarantine (as of July 13, 2026).