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According to Live Direct Marketing's daily DNS scan (July 13, 2026), nic.cz (Tranco rank #4,652) receives mail via Self-Hosted. 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 | none detected |
| SaaS senders in SPF | none detected |
| DMARC policy | p=reject |
| DMARC record | v=DMARC1; p=reject; pct=100; rua=mailto:dmarc.reports@nic.cz; ruf=mailto:dmarc.reports@nic.cz; fo=1; aspf=r; adkim=r; rf=afrf; ri=86400; sp=reject |
| Tranco rank | #4,652 |
| Snapshot | 2026-07-13 (updated daily) |
nic.cz 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.
Yes — nic.cz publishes p=reject, the strictest DMARC policy (as of July 13, 2026).