rychlostwebu.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-02 · pending HTTP 403 crawled 2026-06-02 2 attempts

US · 104.21.11.82 · AS13335 Cloudflare, Inc.

Reputation 92/100 no dmarc policy

cloudflare bot challenge

Registration

Registrar
REG-TELE3
Created
2024-06-26
Expires
2026-06-25 21 days left
Updated
2024-06-27
Name servers
  • edna.ns.cloudflare.com
  • matteo.ns.cloudflare.com

DNS records live

NS
  • edna.ns.cloudflare.com
  • matteo.ns.cloudflare.com
MX
  • 10 mx1.next.exon.io
Verified for
  • Google

Email authentication weak

SPF
v=spf1 +mx +a +ip4:217.16.183.7 ~all
softfail (~all)
DMARC
not published
DKIM
  • default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0c4sSp+rc1xoaJ1pRf1cgO6uDDr0GhxQUfHSXBs4o0BAY9KWHYtkDj6w/NYN1Ovlxl+V/lNHkr32LM…
selectors probed

Certificate (current)

WE1
from 2026-04-09 to 2026-07-08
Expires in 35 days

Linked from (2)