genetickezdroje.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-02 · ok HTTP/1.1 200 673 ms crawled 2026-06-01

CZ · 81.91.86.14 · AS39790 Web4U s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title

Genetické zdroje – Genetické zdroje

Language

Generator

WordPress 6.4.8

Canonical

https://genetickezdroje.cz/

Feeds

Technology

Server: openresty
CMS: WordPress 6.4.8
PHP: 7.4.33 end of life
jQuery: 3.7.1

Third-party hosts loaded (1)

gmpg.org×1

Registration

Registrar

REG-WEB4U

Created

2010-11-18

Expires

2026-11-17 167 days left

Updated

2018-02-26

Name servers

ns2.web4u.cz
ns.web4u.cz

DNS records live

NS

ns.web4u.cz
ns2.web4u.cz

MX

10 mx1.mailchannels.net
10 mx2.mailchannels.net

Email authentication weak

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

Certificate (current)

R12

from 2026-03-24 to 2026-06-22

Expires in 19 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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