indexo.dev

onet.cz

.cz dns crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 207 ms crawled 2026-06-02

CZ · 85.163.36.19 · AS28725 CETIN a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
ONet.CZ
Language
cs

Technology

Server
Apache
PHP
5.6.30 end of life

Registration

Registrar
REG-INTERNET-CZ
Created
2006-04-28
Expires
2027-04-27 328 days left
Updated
2014-11-11
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 ca72f8fb95ffc19e.mx2.emailprofi.seznam.cz
  • 20 ca72f8fb95ffc19e.mx1.emailprofi.seznam.cz

Email authentication weak

SPF
v=spf1 include:spf.seznam.cz -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-04 to 2026-07-03
Expires in 30 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)