obkjedu.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-02 · ok HTTP/1.1 200 861 ms crawled 2026-06-01

CZ · 217.16.184.116 · AS43541 VSHosting s.r.o.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title: Making sure you're not a bot!
Language: en

Technology

Server: nginx
CMS: Gatsby

DNS records live

NS

mcrai.vshosting.cz
ns2.vshosting.cz

MX

10 mail.obkjedu.cz

TXT

s1m73yqj3xclpj11gn3yx9msn89hlk9s

Email authentication weak

SPF: not published
DMARC: v=DMARC1; p=none
policy: none (monitoring only)
DKIM: no key found at common selectors

Certificate (current)

R12

from 2026-04-08 to 2026-07-07

Expires in 35 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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

Linked from (7)