indexo.dev

ssfdr.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-27 · ok HTTP/1.1 200 228 ms crawled 2026-05-30

CZ · 91.239.200.67 · AS60606 PRO-ZETA a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Rooseveltka | SŠ F. D. Roosevelta
Generator
Websy 4

Open Graph

url
https://www.ssfdr.cz/
title
Rooseveltka
locale
cze_cs

Technology

Server
Apache
PHP
5.6.40 end of life
Stack
PHP
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • cdnjs.cloudflare.com×1
  • fonts.googleapis.com×1
  • www.googletagmanager.com×1

Social

DNS records live

NS
  • ns1.thinline.cz
  • ns2.thinline.cz
  • ns3.cesky-hosting.eu
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
Verified for
  • Google
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

RapidSSL TLS RSA CA G1
from 2026-03-16 to 2026-10-01
Expires in 122 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (5)

Linked from (2)