aarsleff.dk

.dk crawl

First seen 2026-05-27 · Last seen 2026-05-31 · ok HTTP/1.1 200 965 ms crawled 2026-05-30

FR · 92.204.48.76 · AS8972 Host Europe GmbH

Reputation 70/100 listed in spam blocklist weak security headers

Classifying

HTML metadata

Title: Per Aarsleff A/S - Infrastruktur og byggeri til moderne samfund
Description: Fokus på udvikling, løsninger og gode idéer. Vi vil finde de bedste løsninger og styrer gerne samarbejdet fra design og projektering til udførelse og aflevering. Vi leverer infrastruktur og byggeri af højeste kvalitet.

Technology

Server: Microsoft-IIS
ASP.NET: 4.0.30319
Stack: ASP.NET

Analytics

Google Tag Manager

Social widgets

Vimeo Embed

Third-party hosts loaded (4)

yui.customizer.cadesignform.dk×2
player.vimeo.com×1
policy.app.cookieinformation.com×1
www.googletagmanager.com×1

Social

Contact

Email

info@aarsleff.com

Phone

+45 8744 2222

DNS records live

NS

a.portsdns.se
b.portsdns.net

MX

0 aarsleff-dk.r-v1.mx.microsoft

TXT

Show 4 TXT records

CISJRg8b+EeV7r6FEdwCSiNwhH4yFx60d07+v+NKmA2yeW86dbYtKsJRtVYciiSmLqv9LACQMddaFw5q4gF40w==
5I1Z2TG8NNYgfVQBwCdDUO2OsnXUrYB8dqcyau5b5KizkndA3SIdbaD89ntItjV7iojswDqJnanNi78rqofjow==
autodesk-domain-verification=YdcBzNFhgzEXkJTSUOYd
zlykmt19cw1rscsgvlt99n8m4kj9f6m3

Verified for

Google
Microsoft 365

Email authentication strong

SPF

v=spf1 include:aarsleff.com ~all

softfail (~all)

DMARC

v=DMARC1; p=reject; rua=mailto:dmarc-rapport@aarsleff.com; adkim=s;

policy: reject (enforced)

DKIM

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArGMCS+SggZILANwM8AuHIk6Kn9Ow4waGfSJoD03jLS7N1qNJW9q6U/hn/B0VsJFIPvJNT4WirJFvN5…

selectors probed

Certificate (current)

R13

from 2026-04-07 to 2026-07-06

Expires in 36 days

Full certificate history on crt.sh ↗

HTTP security headers

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

findings

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