5e-byg.dk

.dk crawl

First seen 2026-05-31 · Last seen 2026-06-04 · ok HTTP/1.1 200 791 ms crawled 2026-06-01

DK · 157.250.163.35 · AS3342 Cibicom A/S

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
5E Byg A/S
Description
5E Byg A/S – Entreprenørfirma med miljø og samfundsansvar i fokus. Primært byggeri til erhverv og offentlige institutioner.
Language
da-dk
Generator
MYOB
Feeds

Technology

Server
Apache
CMS
Joomla
PHP
7.3.33 end of life

DNS records live

NS
  • ns1.curanet.dk
  • ns2.curanet.dk
MX
  • 0 5ebyg-dk0e.mail.protection.outlook.com
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 mx a:spamfilter.it-mark.dk a:spamfilter2.it-mark.dk include:spf.protection.outlook.com ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc@5e-byg.dk;ruf=mailto:dmarc@5e-byg.dk
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDmOlf3WN0wqrqua9jwET6GXGB1lwQ7RcjTv1TYBq+m4hEtJ5PSojj5EqJp+EI70r8F6TdqjON8Y788rJzjM5…
  • selector2: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCzAHigm6jNqXFtgbEYRHoUTBEWP0sI2/sl9cb+1MD0WT6GPUYhMqFstFQhDI7x2n5p+4rSDmP4PicRLYyMJK…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

R12
from 2026-05-23 to 2026-08-21
Expires in 78 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://5e-byg.dk/

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

Linked from (2)