prostreno.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 740 ms crawled 2026-06-02

CZ · 77.78.111.134 · AS15685 CASABLANCA INT a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Prostřeno.cz
Description
Prostřeno.cz Vaše online kuchařka
Language
cs

Technology

Server
Microsoft-IIS
CMS
Gatsby
ASP.NET
4.0.30319
Stack
ASP.NET
Analytics
  • Google Tag Manager

Third-party hosts loaded (6)

  • apis.google.com×1
  • consent.cookiefirst.com×1
  • i.imedia.cz×1
  • pocitadlolibise.seznam.cz×1
  • ssp.imedia.cz×1
  • www.googletagmanager.com×1

Social

DNS records live

NS
  • ns1.houfek.cz
  • ns3.houfek.cz
MX
  • 10 prostreno-cz.mail.protection.outlook.com
Verified for
  • Google
  • Microsoft 365

Email authentication weak

SPF
v=spf1 ip4:81.0.231.96/28 ip4:77.78.97.112/28 ip4:77.78.111.128/25 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-19 to 2026-07-18
Expires in 43 days

HTTP security headers

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

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

Links to (6)

Linked from (2)