sef.dk

.dk crawl

First seen 2026-05-31 · Last seen 2026-06-02 · ok HTTP/1.1 200 166 ms crawled 2026-06-01

DK · 94.231.101.82 · AS48854 team.blue Denmark A/S

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
SEF | En energikoncern med omtanke
Description
Koncernens selskaber tilbyder løsninger inden for el, opladning, Smart Home, varmepumper, naturgas og fibernet. Læs mere om SEF.
Language
da-DK
Generator
WordPress 6.9.4
Canonical
https://sef.dk/
Feeds

Open Graph

url
https://sef.dk/
title
SEF Energi | El til private | Vi finder den rette elaftale til dig
locale
da_DK
site name
SEF
description
Vi kan hjælpe dig med el, opladning, Smart Home, varmepumper, naturgas og fibernet. Læs mere for at finde den rigtige aftale for dig.

Technology

Server
LiteSpeed
CMS
WordPress 6.9.4
jQuery
3.7.1
Analytics
  • Google Tag Manager

Third-party hosts loaded (4)

  • interfaces.zapier.com×2
  • widget.tagembed.com×2
  • gmpg.org×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • ns01.one.com
  • ns02.one.com
MX
  • 0 sef-dk.mail.protection.outlook.com
TXT
  • RuUPcH8pobL+ldjD2P810XTUWui95uUkmUBHPl5kOQ2/NJew7F/Mz5KE6MMJsjWq8+Ohjo7eAD5daGydG0Vx6A==
  • MS=D0EA6621E350896536EB48CFEF1C67BD9FBF7008
Verified for
  • Apple
  • GlobalSign
  • Google
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.curanet.dk include:spf.mailanyone.net include:spf.protection.outlook.com include:spf.dixa.io ip4:176.22.94.75 ip4:13.80.50.37 ip4:85.27.128.30 ip6:2603:10a6:102:245::12 -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:itdrift@sef.dk; ruf=mailto:itdrift@sef.dk; fo=1; pct=100
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC44tI9OkKY3+5ZOCm6fiGim+NpHW5LlK1EFRf274raoU8z+k2MwHc1aPFYvT3IDUdc9xYwz/s9bIdWKONPFJ…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAypSmFveV5jPhl+z4Y/RwuAsnqoL2o36207W2gVCeyO61zTB8RtzRa45/868F3PGeqPgh4wt9XCJW8x…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

R12
from 2026-05-25 to 2026-08-23
Expires in 82 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://sef.dk/

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)