indexo.dev

celfkurser.dk

.dk crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP/1.1 200 963 ms crawled 2026-06-02

DK · 178.23.177.99 · AS47527 DLX A/S

Reputation 75/100 wrong cert

Classifying

HTML metadata

Title
Celf
Language
da
Canonical
https://www.celfkurser.dk/

Open Graph

url
https://www.celfkurser.dk/
title
Celf

Technology

Server
Microsoft-IIS
ASP.NET
4.0.30319
jQuery
3.7.1
Stack
ASP.NET
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • cdn.fotoagent.dk×41
  • www.fotoagent.dk×5
  • fonts.googleapis.com×1
  • www.googletagmanager.com×1

Social

Contact

Phone

DNS records live

NS
  • ns1.simply.com
  • ns2.simply.com
  • ns3.simply.com
  • ns4.simply.com
MX
  • 10 mx.simply.com
Verified for
  • Google

Email authentication strong

SPF
v=spf1 include:spf.simply.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current) wrong cert

default
from 2024-03-12 to 2025-03-12
Expired 449 days ago

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.celfkurser.dk/

present
  • strict-transport-security
  • content-security-policy
findings
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
content-security-policy
frame-ancestors 'self'
strict-transport-security
max-age=31536000

Links to (4)

Linked from (2)