ostrava.cz

.cz crawl

First seen 2026-05-13 · Last seen 2026-05-19 · ok HTTP/1.1 200 1695 ms crawled 2026-05-19

NL · 167.86.50.45 · AS48851 Radware Ltd

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title

Statutární město Ostrava - oficiální portál města Ostravy | www.ostrava.cz — Ostrava

Language

Generator

Plone - https://plone.org/

Translations

Open Graph

url: https://ostrava.cz/cs
title: Čeština
site name: Statutární město Ostrava - oficiální portál města Ostravy | www.ostrava.cz — Ostrava

Technology

Third-party hosts loaded (1)

cdn-cookieyes.com×1

Social

Contact

Email

Phone

+420599444444

Registration

Registrar

REG-INTERNET-CZ

Created

1997-11-07

Expires

2030-10-19 1613 days left

Updated

2017-10-18

Name servers

alfa.ostrava.cz
beta.ostrava.cz
delta.ostrava.cz
gama.ostrava.cz

DNS records live

NS

alfa.ostrava.cz
beta.ostrava.cz
delta.ostrava.cz
gama.ostrava.cz

MX

10 delta.ostrava.cz
5 smtp02.ostrava.cz
5 smtp03.ostrava.cz
5 smtp04.ostrava.cz

TXT

apple-domain-verification=QaHag5guvB7Kjcoc
google-site-verification=2lMnGUqL3p1pHSRQH4hej11CZbvzJAJUqSUsQ4dcmFc
R6qhlqqhg6IiKFso3ugmg40VYp1LUXvQ8tZFFb7h/WqBQ0e4X0Tp/21RtcxejK9OOx02rznn5K10jecn8C7NTg==

Email authentication partial

SPF

v=spf1 mx ip4:81.91.223.5 ip4:81.91.223.8 ip4:81.91.222.147 ip4:81.91.223.4 ip6:2a02:2310:ae01::4 include:spf.protection.outlook.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none; rua=mailto:dmarc@ostrava.cz

policy: none (monitoring only)

DKIM

mail: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDTXW//acxnnIwH4I4awnj24G0/pQI1J9qnpZL/+5EwH+EloQWP2J7ENLjvPBYJdrSVkPszENQSaK1Kz0MFP8…

selectors probed

Certificate (current)

R13

from 2026-04-15 to 2026-07-14

Expires in 56 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://ostrava.cz/cs

present

strict-transport-security
x-frame-options
x-content-type-options

findings

missing Content Security Policy
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
strict-transport-security: max-age=31536000; includeSubDomains