indexo.dev

zskridlovicka.cz

.cz crawl

First seen 2026-06-06 · Last seen 2026-06-06 · ok HTTP/1.1 200 1867 ms crawled 2026-06-06

CZ · 81.91.86.12 · AS39790 Web4U s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Učíme děti zodpovědnosti k sobě i druhým, samostatnosti a spolupráci.
Language
cs
Generator
WordPress 7.0
Feeds

Technology

Server
openresty
CMS
WordPress 7.0
PHP
8.3.31 security-only
jQuery
3.7.1
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×2
  • gmpg.org×1

Social

Contact

Email
Phone

Registration

Registrar
REG-WEB4U
Created
2002-05-17
Expires
2027-05-15 342 days left
Updated
2012-04-04
Name servers
  • ns2.web4u.cz
  • ns.web4u.cz

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com

Email authentication weak

SPF
v=spf1 a mx ptr include:_spf.web4u.cz ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-13 to 2026-07-12
Expires in 35 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (11)

Linked from (4)

Use this data via API

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