indexo.dev

sssebrno.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-27 · ok HTTP/1.1 200 3828 ms crawled 2026-05-30

CZ · 83.167.244.201 · AS24971 MasterDC s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Střední škola strojírenská a elektrotechnická Brno | Maturitní, učební, nástavbové a dálkové obory
Language
cs
Generator
Online School for Divi v.1.0
Canonical
https://sssebrno.cz/
Feeds

Technology

Server
nginx
CMS
WordPress
jQuery
3.7.1
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×3
  • www.google.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • ns1.svethostingu.cz
  • ns2.svethostingu.cz
  • ns3.svethostingu.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
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:_spf.google.com ~all
softfail (~all)
DMARC
not published
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvn89El340tHgbP5ihgciISiO59CJXi4jHFXeni9HIqeixn3vzrNpw7k9aBup9TRnYgUpL3ZNyvyG57…
selectors probed

Certificate (current)

R12
from 2026-03-11 to 2026-06-09
Expires in 8 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (8)

Linked from (2)