srnka.cz

.cz crawl

First seen 2026-05-15 · Last seen 2026-05-19 · ok HTTP/1.1 200 642 ms crawled 2026-05-19

DE · 49.12.186.167 · AS24940 Hetzner Online GmbH

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Miroslav Srnka
Language
en

Technology

Server
Apache

Registration

Registrar
REG-WEB4U
Created
2004-01-14
Expires
2027-01-13 237 days left
Updated
2010-01-26
Name servers
  • ns2.web4u.cz
  • ns.web4u.cz

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 10 mxext1.mailbox.org
  • 10 mxext2.mailbox.org
  • 20 mxext3.mailbox.org

Email authentication weak

SPF
v=spf1 mx include:mailbox.org ip4:78.44.6.110 ip4:49.13.7.189 -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E7
from 2026-05-08 to 2026-08-06
Expires in 77 days

HTTP security headers

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

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

Links to (1)

Linked from (1)