daruj-hracku.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-02 · pending crawled 2026-06-02 2 attempts

US · 104.21.90.245 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

ssl error: ReadTimeout

Registration

Registrar
REG-ACTIVE24
Created
2014-08-25
Expires
2026-08-24 82 days left
Updated
2025-12-18
Name servers
  • chuck.ns.cloudflare.com
  • norah.ns.cloudflare.com

DNS records live

NS
  • chuck.ns.cloudflare.com
  • norah.ns.cloudflare.com
MX
  • 10 mail.online4u.cz

Email authentication partial

SPF
v=spf1 a:mail.online4u.cz include:spf.active24.com include:spf.smartemailing.cz ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:eecb3bfc47b443f88052b7b6c9112916@dmarc-reports.cloudflare.net,mailto:dmarc+688549@smartemailing.cz; fo=1
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

WE1
from 2026-04-14 to 2026-07-13
Expires in 41 days

Linked from (3)