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According to Live Direct Marketing's daily DNS scan (July 12, 2026), 4.cn (Tranco rank #5,408) receives mail via Tutanota and sends through Alibaba DirectMail. Its DMARC policy is p=none (monitor only) — like the majority of DMARC publishers (53% don't enforce).
| Mailbox provider (MX) | Tutanota |
|---|---|
| ESPs in SPF | Alibaba DirectMail |
| SaaS senders in SPF | none detected |
| DMARC policy | p=none |
| DMARC record | v=DMARC1;p=none;rua=mailto:dmarc_report@service.aliyun.com |
| Tranco rank | #5,408 |
| Snapshot | 2026-07-12 (updated daily) |
4.cn uses Tutanota for inbound mail (detected from its primary MX record) as of July 12, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
4.cn authorises Alibaba DirectMail in its SPF record as of July 12, 2026.
No — 4.cn publishes p=none, which only monitors and does not block spoofing (as of July 12, 2026).