indexo.dev

schranka-duvery.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-31 · ok HTTP/1.1 200 510 ms crawled 2026-05-30

SK · 37.9.175.165 · AS51013 WebSupport s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Schránka důvěry pro základní a střední školy
Description
Schránka důvěry online na webu vaší základní nebo střední školy!

Technology

Server
openresty
Stack
PHP
Fonts
  • Google Fonts
Social widgets
  • YouTube Embed

Third-party hosts loaded (2)

  • fonts.googleapis.com×4
  • www.youtube.com×1

Contact

Phone

Registration

Registrar
REG-ACTIVE24
Created
2015-02-23
Expires
2027-02-22 266 days left
Updated
2024-07-15
Name servers
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu

DNS records live

NS
  • ns1.websupport.cz
  • ns2.websupport.cz
  • ns3.websupport.eu
MX
  • 10 mailin1.schranka-duvery.cz
  • 100 mailin2.schranka-duvery.cz

Email authentication weak

SPF
v=spf1 include:spf.active24.com include:_spf.m1.websupport.sk ~all
softfail (~all)
DMARC
not published
DKIM
  • mail: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA628/qVsdWZzXCPhgZgy3IUufbnRYIDVlErlHu2wvbmk+09J+OeuTnwFYJTYhkAkyQM/wDYx9j/Vy2N…
selectors probed

Certificate (current)

R12
from 2026-05-22 to 2026-08-20
Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.schranka-duvery.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 (13)