sut.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 433 ms crawled 2026-05-30

SK · 37.9.175.163 · AS51013 WebSupport s.r.o.

Reputation 80/100 weak security headers multiple spf records

Classifying

HTML metadata

Title
Domovská stránka - Svaz učitelů tance
Language
en-US
Generator
All in One SEO (AIOSEO) 4.9.7.2
Canonical
https://sut.cz/
Feeds

Open Graph

url
https://sut.cz/
title
Domovská stránka - Svaz učitelů tance
locale
en_US
site name
Svaz učitelů tance -

Technology

Server
openresty
CMS
WordPress
jQuery
3.6.0
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • fonts.googleapis.com×3
  • fonts.gstatic.com×2
  • netdna.bootstrapcdn.com×1
  • www.googletagmanager.com×1

Social

DNS records live

NS
  • ns.wedos.com
  • ns.wedos.cz
  • ns.wedos.eu
  • ns.wedos.net
MX
  • 10 8b9db016bac6dee0.mx2.emailprofi.seznam.cz
  • 20 8b9db016bac6dee0.mx1.emailprofi.seznam.cz

Email authentication partial

SPF
v=spf1 include:servers.mcsv.net ?all
neutral (?all) · multiple SPF records
DMARC
v=DMARC1; p=quarantine; adkim=r; aspf=r;
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-14 to 2026-07-13
Expires in 42 days

HTTP security headers

Header hygiene 35/100 Checked live page: https://sut.cz/

present
  • referrer-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Permissions Policy
Header values
referrer-policy
no-referrer-when-downgrade

Links to (4)

Linked from (1)