indexo.dev

matyaskunstmuller.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-05-28 · ok HTTP/1.1 200 514 ms crawled 2026-05-31

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Matyas Kunstmüller
Language
cs

Technology

CDN
Fastly
Server
GitHub.com

Registration

Registrar
REG-GRANSY
Created
2025-12-20
Expires
2026-12-19 201 days left
Name servers
  • ns2.gransy.com
  • ns3.gransy.com
  • ns4.gransy.com
  • ns5.gransy.com
  • ns.gransy.com

DNS records live

NS
  • ns.gransy.com
  • ns2.gransy.com
  • ns3.gransy.com
  • ns4.gransy.com
  • ns5.gransy.com
MX
  • 10 mx1.seznam.cz
  • 20 mx2.seznam.cz

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-20 to 2026-07-19
Expires in 49 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Linked from (1)