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According to Live Direct Marketing's daily DNS scan (July 13, 2026), intsig.net (Tranco rank #8,933) receives mail via QQ Mail (Tencent) and sends through SendGrid (Twilio). Its DMARC policy is p=none (monitor only) — like the majority of DMARC publishers (53% don't enforce).
| Mailbox provider (MX) | QQ Mail (Tencent) |
|---|---|
| ESPs in SPF | SendGrid (Twilio) |
| SaaS senders in SPF | none detected |
| DMARC policy | p=none |
| DMARC record | v=DMARC1; p=none; rua=mailto:dmarc@intsig.net |
| Tranco rank | #8,933 |
| Snapshot | 2026-07-13 (updated daily) |
intsig.net uses QQ Mail (Tencent) for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
intsig.net authorises SendGrid (Twilio) in its SPF record as of July 13, 2026.
No — intsig.net publishes p=none, which only monitors and does not block spoofing (as of July 13, 2026).