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frantzen.nl

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First seen 2026-05-31 · Last seen 2026-05-31 · ok HTTP/1.1 200 149 ms crawled 2026-06-01

NL · 136.144.169.143 · AS20857 Signet B.V.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
FRANTZEN et al architecten

Technology

Server
Apache

DNS records live

NS
  • ns1.sierhuis.com
  • ns2.sierhuis.com
MX
  • 10 mx1.cloudorb.com
  • 20 mx2.cloudorb.com

Email authentication weak

SPF
v=spf1 ip4:136.144.169.143 include:spf.cloudorb.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

E8
from 2026-03-25 to 2026-06-23
Expires in 21 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://frantzen.nl/

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

Linked from (1)