sezimovo-usti.cz

.cz crawl

First seen 2026-05-19 · Last seen 2026-05-29 · ok HTTP/1.1 200 16533 ms crawled 2026-05-25

CZ · 46.234.109.102 · AS39392 SH.cz s.r.o.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title: Město Sezimovo Ústí - Oficiální stránky města Sezimovo Ústí
Description: Město Sezimovo Ústí
Language: cs

Technology

Server: Microsoft-IIS
Stack: PHP

Third-party hosts loaded (3)

cdnjs.cloudflare.com×1
stackpath.bootstrapcdn.com×1
webkamery.gc-system.cz×1

Social

Contact

Email

posta@sezimovo-usti.cz

Phone

+420381201111

DNS records live

NS

ns.forpsi.cz
ns.forpsi.it
ns.forpsi.net

MX

10 mail.sezimovo-usti.cz

Email authentication no MX

SPF

v=spf1 a mx ip4:193.165.140.42 include:clavius.cz include:spf.smartemailing.cz ~all

softfail (~all)

DMARC

not published

DKIM

mail: v=DKIM1;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvShTW3KeCTFRbDv71WGF3QSVwNYnNxUHGvG/B7jrfzBlanyu1kz6PmkgtYUanw3BX+LPepqG9OR3Xl9Sq8U3xD…

selectors probed

Certificate (current)

from 2026-05-08 to 2026-08-06

Expires in 66 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.sezimovo-usti.cz/

present

x-frame-options

findings

missing HSTS
missing Content Security Policy
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: sameorigin