cergas-bk.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 1005 ms crawled 2026-05-30

US · 172.67.144.173 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Úvod
Language: cs

Open Graph

url: https://www.cergas-bk.cz/
title: Úvod

Technology

CDN: Cloudflare
jQuery: 2.1.0 known XSS (<3.5)
Stack: PHP

Third-party hosts loaded (3)

a.rmcl.cz×26
c.rmcl.cz×14
t.rmcl.cz×1

Social

Contact

Phone

DNS records live

NS

adrian.ns.cloudflare.com
ray.ns.cloudflare.com

MX

10 mail.realhost.cz

Verified for

Google

Email authentication strong

SPF: v=spf1 mx include:spf.realhost.cz ~all
softfail (~all)
DMARC: v=DMARC1; p=quarantine; adkim=r; aspf=r
policy: quarantine
DKIM: no key found at common selectors

Certificate (current)

WE1

from 2026-04-04 to 2026-07-03

Expires in 32 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.cergas-bk.cz/

present

x-frame-options

findings

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

Header values

x-frame-options: SAMEORIGIN

Links to (2)

instagram.com×1
facebook.com×1

Linked from (1)

nevim-kam.cz×1