clfa.cz

.cz crawl

First seen 2026-05-29 · Last seen 2026-06-01 · ok HTTP/1.1 200 690 ms crawled 2026-05-31

CZ · 81.0.206.90 · AS15685 CASABLANCA INT a.s.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Home - ČLFA

Open Graph

url
http://www.clfa.cz/
title
Home - ČLFA

Technology

Server
Apache
Fonts
  • Google Fonts

Third-party hosts loaded (1)

  • fonts.googleapis.com×1

Contact

Email
Phone

Registration

Registrar
REG-WEB4U
Created
2005-02-09
Expires
2027-02-08 250 days left
Updated
2015-11-07
Name servers
  • ns2.web4u.cz
  • ns.web4u.cz

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 0 clfa-cz.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 ip4:89.187.142.125 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Thawte TLS RSA CA G1
from 2025-10-30 to 2026-11-06
Expires in 156 days

HTTP security headers

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

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

Linked from (2)