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According to Live Direct Marketing's daily DNS scan (July 13, 2026), sardinasystems.com (Tranco rank #2,143) receives mail via Self-Hosted and sends through Mailchimp. Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.
| Mailbox provider (MX) | Self-Hosted |
|---|---|
| ESPs in SPF | Mailchimp |
| SaaS senders in SPF | none detected |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1;p=reject;pct=100;rua=mailto:dmarc.master@sardinasystems.com,mailto:re+ofjsdnp1y32@dmarc.postmarkapp.com;ruf=mailto:dmarc.master@sardinasystems.com;adkim=s;aspf=s; |
| Tranco rank | #2,143 |
| Snapshot | 2026-07-13 (updated daily) |
sardinasystems.com 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.
sardinasystems.com authorises Mailchimp in its SPF record as of July 13, 2026.
Yes — sardinasystems.com publishes p=reject, the strictest DMARC policy (as of July 13, 2026).