indexo.dev

cistaposta.cz

.cz dns crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 153 ms crawled 2026-05-30

FR · 51.38.121.88 · AS16276 OVH SAS

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Čistá pošta - ochrana proti SPAMu - Webhosting, Antispam, Antispyware
Description
Čistá pošta - Antispam (ochrana proti SPAMu a virům v poště), ochrana proti spyware, webhosting
Language
cs

Technology

Server
Apache

DNS records live

NS
  • ns.cistaposta.cz
  • ns2.cistaposta.cz
MX
  • 10 amx.cistymail.cz
  • 10 bmx.cistymail.cz

Email authentication weak

SPF
v=spf1 a mx a:gate.cistaposta.cz ip4:188.120.193.1 include:cistymail.cz -all
strict (-all)
DMARC
not published
DKIM
  • default: v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC3lFU7KNkHyntUYcWKPPg8NjVFPK4/PYJbaeUVBgq4p1x902NEopXRFTbvdsh5fKJyCmASf8mYa7aGEeD7T7m1roSDg…
selectors probed

Certificate (current)

R12
from 2026-04-10 to 2026-07-09
Expires in 39 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://cistaposta.cz/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (1)