indexo.dev

archpera.cz

.cz crawl

First seen 2026-05-24 · Last seen 2026-05-24 · ok HTTP/1.1 200 1768 ms crawled 2026-05-29

CZ · 81.91.86.12 · AS39790 Web4U s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
About • ARCHPERA

Technology

Server
openresty
PHP
7.2.34 end of life
jQuery
3.3.1 known XSS (<3.5)

Social

Registration

Registrar
REG-WEB4U
Created
2013-12-16
Expires
2026-12-15 197 days left
Updated
2013-12-16
Name servers
  • ns2.web4u.cz
  • ns.web4u.cz

DNS records live

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

Email authentication weak

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-27 to 2026-07-26
Expires in 56 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://archpera.cz/en/

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)