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According to Live Direct Marketing's daily DNS scan (July 12, 2026), yeastar.com (Tranco rank #5,536) receives mail via QQ Mail (Tencent) and sends through Zendesk. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | QQ Mail (Tencent) |
|---|---|
| ESPs in SPF | Zendesk |
| SaaS senders in SPF | none detected |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1; p=reject; rua=mailto:mailauth-reports@qq.com |
| Tranco rank | #5,536 |
| Snapshot | 2026-07-12 (updated daily) |
yeastar.com uses QQ Mail (Tencent) for inbound mail (detected from its primary MX record) as of July 12, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
yeastar.com authorises Zendesk in its SPF record as of July 12, 2026.
Yes — yeastar.com publishes p=reject, the strictest DMARC policy (as of July 12, 2026).