martinmatejka.cz

.cz crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 858 ms crawled 2026-06-02

CZ · 37.235.104.64 · AS39392 SH.cz s.r.o.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Martin Matějka, odborník na SEO a ecommerce konzultant
Language
cs-CZ

Open Graph

url
https://www.martinmatejka.cz/

Technology

Server
Apache
jQuery
1.11.0 known XSS (<3.5)
Stack
PHP

Social

Registration

Registrar
REG-WEB4U
Created
2008-09-17
Expires
2026-09-16 105 days left
Updated
2024-10-05
Name servers
  • ns.vas-hosting.com
  • ns.vas-hosting.cz
  • ns.vas-hosting.eu

DNS records live

NS
  • ns.vas-hosting.com
  • ns.vas-hosting.cz
  • ns.vas-hosting.eu
MX
  • 10 mail.vas-hosting.cz

Email authentication partial

SPF
v=spf1 a mx include:spf.smartemailing.cz ~all
softfail (~all)
DMARC
v=DMARC1; p=none; rua=mailto:dmarc+683458@smartemailing.cz; fo=1
policy: none (monitoring only)
DKIM
  • default: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDl4KjucPxMEufJTHx++74UqeyIXQSu1y/l5B6/aat7JJbrjDqGgZUJUyT3v6n4+kD1YeWlMpG9qelqhK+oVH…
selectors probed

Certificate (current)

R12
from 2026-05-26 to 2026-08-24
Expires in 82 days

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.martinmatejka.cz/

present
  • content-security-policy
  • x-frame-options
  • x-content-type-options
findings
  • missing HSTS
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
upgrade-insecure-requests;

Links to (13)

Linked from (1)