zachrannykruh.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP 200 1732 ms crawled 2026-06-01

CZ · 81.91.82.42 · AS39790 Web4U s.r.o.

Reputation 92/100 no dmarc policy

Registration

Registrar
REG-INTERNET-CZ
Created
2008-06-26
Expires
2030-06-25 1472 days left
Updated
2011-12-22
Name servers
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
MX
  • 10 mail.zachrannykruh.cz
Verified for
  • Google
  • Microsoft 365

Email authentication weak

SPF
v=spf1 +ip4:81.91.82.0/24 ~all
softfail (~all)
DMARC
not published
DKIM
  • default: v=DKIM1; h=sha256; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp4L0YxcgAu9p9SzSY4w1N0mT5AgkgCIFZwdEML72GuDzgkWaz+s9uyZIchyNmmY26KxC…
  • dkim: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzCScITSVmHivmORAwD7Xn/+CeE2uSaaUMS7I6FECtOAkHc9bL1njKgRN+ds3gVZHCUCrKZ7xG7JAHK…
selectors probed

Certificate (current)

R13
from 2026-04-25 to 2026-07-24
Expires in 40 days

Linked from (1)

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