indexo.dev

kolthofbv.nl

.nl crawl

First seen 2026-05-27 · Last seen 2026-05-30 · ok HTTP/1.1 200 2867 ms crawled 2026-05-30

NL · 91.220.37.28 · AS50673 Serverius Holding B.V.

Reputation 87/100 weak security headers weak subdomain policy

Classifying

HTML metadata

Title
Kolthof Bouwbedrijf BV
Language
nl-NL
Canonical
https://www.kolthofbv.nl/

Technology

Server
Apache
CMS
WordPress
jQuery
1.11.1 known XSS (<3.5)
Fonts
  • Google Fonts

Third-party hosts loaded (5)

  • fonts.googleapis.com×2
  • ajax.googleapis.com×1
  • fonts.gstatic.com×1
  • maxcdn.bootstrapcdn.com×1
  • v0.wordpress.com×1

Social

Contact

Phone

DNS records live

NS
  • ns1.oxilion.nl
  • ns2.oxilion.nl
  • ns3.oxilion.net
MX
  • 10 filter10.antispamcloud.com
  • 20 filter20.antispamcloud.com
  • 30 filter30.antispamcloud.com
  • 40 filter40.antispamcloud.com
TXT
  • 2024-03-21-transfer-to-sales@mx-relay.com

Email authentication strong

SPF
v=spf1 mx a:mail.kolthofbv.nl include:spf.mandrillapp.com include:spf.volgjewoning.nl include:_spf.mx-relay.com ip4:92.67.248.51 ip4:141.193.32.241 ip4:149.210.181.158 ip4:149.210.181.45 ip4:5.39.185.31 ip4:82.204.43.42 ip4:159.100.82.6 ~all
softfail (~all)
DMARC
v=DMARC1; p=quarantine; sp=none; aspf=s;rua=mailto:dmarc@kolthofbv.nl
policy: quarantine · sp=none
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-16 to 2026-07-15
Expires in 45 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (6)

Linked from (1)