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According to Live Direct Marketing's daily DNS scan (July 13, 2026), quad9.net (Tranco rank #4,102) receives mail via Self-Hosted and sends through Mailchimp, Zendesk. Its DMARC policy is p=quarantine — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Self-Hosted |
|---|---|
| ESPs in SPF | Mailchimp, Zendesk |
| SaaS senders in SPF | none detected |
| DMARC policy | p=quarantine |
| DMARC record | v=DMARC1; p=quarantine; sp=none; rua=mailto:reports@quad9.net; fo=1 |
| Tranco rank | #4,102 |
| Snapshot | 2026-07-13 (updated daily) |
quad9.net uses Self-Hosted for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.
quad9.net authorises Mailchimp, Zendesk in its SPF record as of July 13, 2026.
Partially — quad9.net publishes p=quarantine (as of July 13, 2026).