indexo.dev

efdk.cz

.cz crawl

First seen 2026-05-28 · Last seen 2026-05-28 · ok HTTP/1.1 200 393 ms crawled 2026-05-31

CZ · 31.15.10.79 · AS25234 ACTIVE 24, s.r.o.

Reputation 92/100 no dmarc policy

Classifying

HTML metadata

Title
Home Efdk.cz
Language
cs

Open Graph

site name
Efdk.cz

Technology

Server
nginx
jQuery
1.8.3 known XSS (<3.5)
Stack
PHP
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • cdn.jsdelivr.net×2
  • apis.google.com×1
  • fonts.googleapis.com×1
  • kit.fontawesome.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • alfa.ns.active24.cz
  • beta.ns.active24.cz
  • gama.ns.active24.sk
MX
  • 10 efdk-cz.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication weak

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-05-19 to 2026-08-17
Expires in 77 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://efdk.cz/

present
  • content-security-policy
findings
  • missing HSTS
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
upgrade-insecure-requests

Links to (7)

Linked from (1)