wa.cz

.cz dns crawl

First seen 2026-05-26 · Last seen 2026-06-02 · ok HTTP/1.1 200 150 ms crawled 2026-05-30

CZ · 81.91.84.138 · AS39790 Web4U s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
WebApplications (WA) - webové aplikace, webhosting, webdesign
Description
WebApplications - vývoj webových aplikací, webových stránek a webhostingové služby na míru

Technology

Server
Apache
PHP
4.4.4 end of life

Registration

Registrar
REG-WEB4U
Created
2005-05-10
Expires
2027-05-09 340 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 mail.wa.cz
Verified for
  • Google

Email authentication weak

SPF
v=spf1 ip4:81.91.85.70 ip4:81.91.85.71 ip4:81.91.84.147 ip4:81.91.82.114 ip4:81.91.84.141 ip4:81.91.84.138 a mx ip4:81.91.80.0/20 ip6:2001:1568::/64 ip6:2001:1568:502::/48 ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificates

Loading certificate

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://wa.cz/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (1)

Linked from (4)