onlinereseni.cz

.cz dns crawl

First seen 2026-05-30 · Last seen 2026-06-02 · ok HTTP/1.1 200 240 ms crawled 2026-05-31

CZ · 85.255.6.189 · AS24806 INTERNET CZ, a.s.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Language: cs

Technology

Server: Apache

Registration

Registrar

REG-WEDOS

Created

2013-01-23

Expires

2027-01-22 232 days left

Updated

2016-10-25

Name servers

ns.wedos.com
ns.wedos.cz
ns.wedos.eu
ns.wedos.net

DNS records live

NS

ns.wedos.com
ns.wedos.cz
ns.wedos.eu
ns.wedos.net

Email authentication no MX

SPF: not published
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

R13

from 2026-05-05 to 2026-08-03

Expires in 60 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Links to (5)