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Email infrastructure of szn.cz

According to Live Direct Marketing's daily DNS scan (July 13, 2026), szn.cz (Tranco rank #12,045) receives mail via Seznam.cz (Czech). Its DMARC policy is p=reject — one of the minority (47%) of DMARC publishers that actually enforce.

Mailbox provider (MX)Seznam.cz (Czech)
ESPs in SPFnone detected
SaaS senders in SPFnone detected
DMARC policyp=reject
DMARC recordv=DMARC1; p=reject; rua=mailto:abuse@seznam.cz,mailto:dmarc-rua@mailkit.com;
Tranco rank#12,045
Snapshot2026-07-13 (updated daily)

Frequently asked questions

What email provider does szn.cz use?

szn.cz uses Seznam.cz (Czech) for inbound mail (detected from its primary MX record) as of July 13, 2026, per Live Direct Marketing's daily Tranco top-1M scan.

Does szn.cz enforce DMARC?

Yes — szn.cz publishes p=reject, the strictest DMARC policy (as of July 13, 2026).

DNS records say who should deliver your mail — they don't say whether it lands in the inbox. Run a free inbox placement test for szn.cz at Gmail, Outlook, Yandex and Mail.ru.
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