indexo.dev

ddtrebic.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 191 ms crawled 2026-06-02

CZ · 81.91.92.13 · AS39790 Web4U s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
index
Language
cs-CZ
Generator
Nicepage 8.4.0, nicepage.com

Open Graph

title
index

Technology

Server
Apache
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • www.google.com×1

Contact

Email

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 10 mail.ddtrebic.cz

Email authentication weak

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

Certificate (current)

R13
from 2026-05-23 to 2026-08-21
Expires in 79 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (6)

Linked from (1)