karelmatejka.com

.com crawl

First seen 2026-05-21 · Last seen 2026-05-27 · ok HTTP/1.1 200 1777 ms crawled 2026-05-27

CZ · 5.180.201.62 · AS24971 MasterDC s.r.o.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Projects | Karel Matějka
Language
en

Technology

Server
nginx
CMS
Gatsby
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • fonts.googleapis.com×2
  • fonts.gstatic.com×1
  • www.googletagmanager.com×1

Social

Contact

Email

Registration

Registrar
Gransy, s.r.o.
Created
2010-10-14
Expires
2026-10-14 132 days left
Updated
2025-09-14
Name servers
  • butterfly.cecak.cz
  • secondary.cafetheatre.cz

DNS records live

NS
  • butterfly.cecak.cz
  • secondary.cafetheatre.cz
MX
  • 10 butterfly.cecak.cz

Email authentication partial

SPF
v=spf1 mx ip4:82.208.29.32/28 ?all
neutral (?all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-09 to 2026-07-08
Expires in 34 days

HTTP security headers

Header hygiene 55/100 Checked live page: https://www.karelmatejka.com/

present
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • cross-origin-opener-policy
findings
  • missing HSTS
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
same-origin
x-frame-options
DENY
x-content-type-options
nosniff
cross-origin-opener-policy
same-origin

Links to (4)

Linked from (1)