indexo.dev

psvstavby.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-05-28 · ok HTTP/1.1 200 340 ms crawled 2026-05-30

CZ · 81.91.86.14 · AS39790 Web4U s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
PŠV stavby s.r.o.
Language
cz

Technology

Server
openresty
jQuery
3.3.1 known XSS (<3.5)
Fonts
  • Font Awesome

Third-party hosts loaded (4)

  • cdnjs.cloudflare.com×1
  • code.jquery.com×1
  • nette.github.io×1
  • use.fontawesome.com×1

DNS records live

NS
  • ns.web4u.cz
  • ns2.web4u.cz
MX
  • 10 mx1.mailchannels.net
  • 10 mx2.mailchannels.net

Email authentication weak

SPF
v=spf1 include:_spf.web4u.cz ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-31 to 2026-06-29
Expires in 28 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://psvstavby.cz/

present
  • x-frame-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN

Linked from (1)