sebu.cz

.cz crawl

First seen 2026-06-03 · Last seen 2026-06-03 · ok HTTP/1.1 200 2177 ms crawled 2026-06-03

CZ · 91.239.200.5 · AS60606 PRO-ZETA a.s.

Reputation 62/100 wrong cert weak security headers no dmarc policy

Classifying

HTML metadata

Title
Spolek evropských bojových umění – sebeobrana s holí, lukostřelba, šerm
Language
cs
Generator
WordPress 7.0
Canonical
http://www.sebu.cz/
Feeds

Technology

Server
nginx
CMS
WordPress 7.0
PHP
7.4.33 end of life
jQuery
3.7.1
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts
Social widgets
  • YouTube Embed

Third-party hosts loaded (5)

  • fonts.googleapis.com×2
  • maxcdn.bootstrapcdn.com×2
  • gmpg.org×1
  • www.googletagmanager.com×1
  • www.youtube.com×1

Contact

Phone

DNS records live

NS
  • ns1.thinline.cz
  • ns2.thinline.cz
  • ns3.cesky-hosting.eu
MX
  • 10 mx1d10.thinline.cz
  • 20 mx1b20.thinline.cz

Email authentication weak

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

Certificate (current) wrong cert

RapidSSL RSA CA 2018
from 2020-03-03 to 2021-04-02
Expired 1889 days ago

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://www.sebu.cz/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (1)

Linked from (1)