seznam.cz
Detected Mail Infrastructure: Consumer Email Service Provider
Primary: mx1.seznam.cz
Enforces domain sender policy
MailVeri Intelligence Assessment for seznam.cz
Verify an email address at seznam.cz
Test if a specific recipient mailbox exists and can receive messages without sending any actual email.
Need to clean email lists containing @seznam.cz?
DNS checks confirm mail server availability, but cannot detect full inboxes, deleted mailboxes, or stealth spam traps. MailVeri confirms each mailbox can receive mail before you send with 99% accuracy, so you keep bounce rates under 2% and protect your sender reputation.
Mail Exchanger (MX) Records
Active inbound mail routes resolved from authoritative DNS:
SPF & DMARC Authentication
Sender Policy Framework (SPF):
Domain-based Message Authentication (DMARC):
Frequently Asked Questions about seznam.cz
Q Is seznam.cz a disposable email domain?
No. seznam.cz is a standard free email domain powered by Consumer Email Service Provider. It is not an ephemeral or disposable burner service.
Q What mail servers (MX records) handle email for seznam.cz?
Emails addressed to @seznam.cz are processed by 2 authoritative mail exchanger(s), including mx1.seznam.cz (priority 10), mx2.seznam.cz (priority 20). The mail routing is handled by Consumer Email Service Provider.
Q Does seznam.cz have SPF and DMARC email security configured?
Yes. seznam.cz has published email authentication records. An SPF record is active (v=spf1 mx ip4:77.75.78.0/23 ip4:77.75.76.0/23 ip6:2a02:598::/32 ?all) and a DMARC policy is in place (v=DMARC1; p=none; sp=reject; rua=mailto:[email protected]), protecting the domain against sender address spoofing.
Q Should signups using @seznam.cz be allowed or blocked?
Signups using @seznam.cz are legitimate consumer email accounts (Consumer Email Service Provider). Accept signups while validating syntax and mailbox status via MailVeri API.
Q How do I verify if an email address on seznam.cz exists without sending?
You can verify recipient mailboxes on seznam.cz in real time using the MailVeri API. It confirms the domain accepts mail, whether the mailbox exists, and catch-all status without sending any email, with 99% accuracy, so you keep bounce rates under 2% and protect your sender reputation.