indexo.dev

osek.cz

.cz crawl

First seen 2026-05-31 · Last seen 2026-06-01 · ok HTTP/1.1 200 526 ms crawled 2026-06-01

CZ · 88.86.103.135 · AS39392 SH.cz s.r.o.

Reputation 64/100 weak security headers multiple spf records spf without fallback no dmarc policy

Classifying

HTML metadata

Title
Město Osek - Oficiální stránky města OSEK
Description
Město Osek
Language
cs

Technology

Server
Microsoft-IIS
Stack
PHP

Third-party hosts loaded (4)

  • static.gc-system.cz×4
  • cdnjs.cloudflare.com×1
  • ovm.bezstavy.cz×1
  • stackpath.bootstrapcdn.com×1

Social

Contact

Email
Phone

Registration

Registrar
REG-INTERNET-CZ
Created
1999-11-10
Expires
2028-11-11 892 days left
Updated
2018-11-05
Name servers
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net

DNS records live

NS
  • ns.forpsi.cz
  • ns.forpsi.it
  • ns.forpsi.net
MX
  • 0 osek-cz.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:mpo.cz
missing all · multiple SPF records
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-05-18 to 2026-08-16
Expires in 74 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.osek.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)