indexo.dev

aarchitektura.cz

.cz crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 470 ms crawled 2026-05-30

CZ · 31.15.10.70 · AS25234 ACTIVE 24, s.r.o.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
aArchitektura
Description
aArchitektura je občanské sdružení, které pořádá přednášky se zajímavými osobnostmi z oblasti architektury.

Technology

Server
nginx
jQuery
3.2.1 known XSS (<3.5)
Stack
PHP
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • maxcdn.bootstrapcdn.com×2
  • code.jquery.com×1
  • fonts.googleapis.com×1
  • www.googletagmanager.com×1

Social

Registration

Registrar
REG-ACTIVE24
Created
2017-12-12
Expires
2027-12-11 558 days left
Updated
2025-10-17
Name servers
  • alfa.ns.active24.cz
  • beta.ns.active24.cz
  • gama.ns.active24.sk

DNS records live

NS
  • alfa.ns.active24.cz
  • beta.ns.active24.cz
  • gama.ns.active24.sk
MX
  • 10 mx1.active24.com
  • 20 mx2.active24.com

Email authentication weak

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

Certificate (current)

E8
from 2026-05-18 to 2026-08-16
Expires in 76 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (4)

Linked from (2)