indexo.dev

drupalexpert.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 289 ms crawled 2026-06-02

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

Reputation 87/100 weak security headers no dmarc policy

sector other type homepage

HTML metadata

Title
Doména je zaregistrována u společnosti Web4U s. r. o.

Technology

Server
openresty

Third-party hosts loaded (1)

  • www.web4u.cz×1

Contact

Email

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 2026-04-23 to 2026-07-22
Expires in 50 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (1)

Linked from (1)