indexo.dev

appco.cz

.cz dns

First seen 2026-05-19 · Last seen 2026-05-31 · ok HTTP/1.1 200 17405 ms crawled 2026-05-25

CZ · 95.129.97.173 · AS24641 FASTER CZ spol. s r.o.

Reputation 87/100 weak security headers no dmarc policy

sector tech type homepage

HTML metadata

Title
APPCO | Počítače a sítě, péče a podpora.
Description
Počítače a sítě, péče a podpora. Již přes 25 let se věnujeme informačním a komunikačním technologiím.

Technology

Server
nginx
PHP
8.3.31 security-only
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (2)

  • fonts.googleapis.com×1
  • www.googletagmanager.com×1

Contact

Email
Phone

DNS records

Email authentication weak

SPF
v=spf1 include:mail.zendesk.com ?all
neutral (?all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-05 to 2026-07-04
Expires in 34 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (8)