witteveenbos.com

.com crawl

First seen 2026-05-07 · Last seen 2026-05-14 · ok HTTP/1.1 200 2938 ms crawled 2026-05-14

NL · 87.249.125.6 · AS15830 Equinix (EMEA) Acquisition Enterprises B.V.

Reputation 100/100

Classifying

HTML metadata

Title
Engineering and consultancy firm | Witteveen+Bos
Description
Engineering is people’s work. We advise and help clients all over the world with sustainable solutions for today’s challenges.
Language
en
Canonical
https://www.witteveenbos.com/
Translations
  • nl

Open Graph

url
https://www.witteveenbos.com/
title
Witteveen+Bos
locale
en
site name
Witteveen+Bos
description
Engineering is people’s work. We advise and help clients all over the world with sustainable solutions for today’s challenges.
locale:alternate
nl

Technology

Server
nginx
Analytics
  • Google Tag Manager

Third-party hosts loaded (1)

  • www.googletagmanager.com×1

Social

Contact

Email
Phone

Registration

Registrar
Realtime Register B.V.
Created
1996-09-05
Expires
2026-09-04 105 days left
Updated
2025-09-05
Name servers
  • nsauth1.introweb.nl
  • nsauth2.introweb.nl
  • nsauth3.introweb.net

DNS records live

NS
  • nsauth1.introweb.nl
  • nsauth2.introweb.nl
  • nsauth3.introweb.net
MX
  • 0 mxa-0064cf01.gslb.pphosted.com
  • 0 mxb-0064cf01.gslb.pphosted.com
TXT
  • 2HTqK2czVNfJSEt39mc3DZLbNPXRhKG7Td/pp/9/aT2Eu5AQnAsaCaZ+aUx8FX/8fHotUije+zPBQaijLJjy/Q==
  • MS=4092B6C6AF716592D1948352BBD625525FD0A7C6
Verified for
  • Apple
  • Google

Email authentication strong

SPF
v=spf1 ip4:20.82.87.96/28 include:spf.protection.outlook.com include:spf.recruitmail.com include:sendgrid.net include:amazonses.com include:spf2.witteveenbos.com ip4:66.159.232.64 ip4:143.55.149.169 include:_spf.psm.knowbe4.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; ruf=mailto:admin@witteveenbos.com
policy: quarantine
DKIM
Show 5 DKIM selectors
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0fX1oEC4ZHzKwDlPv2w9A44sIWZ/GYbRULGfe6c60SgzwZG3kC4EKuXoJNbvogL0ES8yqhwvX8nR8g…
  • selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2SRk7twvZHULNjV37dwW+fs0xSSE128iM0b0FfwGrUws4oTRHNFwLcgEZk7QeV2T8GPmuMZCwVwj8X…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3p00u0cv5qvSNV/RnUc8xCqduuUneMMkHD3QUU4femSZGGrqPWK7MUS+lh9oGD2CRrNcQFOx8Q4cn6B/L4…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCs5LbLfcWIKr0dEzrD4CjnKgbJGvXPVEyvqo1wSMFo5dVwIHHadILuLOWWFqRGcvYTLh9mRLb4ko8ngvs582ePwu…
selectors probed

Certificate (current)

R13
from 2026-03-23 to 2026-06-21
Expires in 30 days

HTTP security headers

Header hygiene 90/100 Checked live page: https://www.witteveenbos.com/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
  • permissions-policy
findings
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
Header values
referrer-policy
no-referrer-when-downgrade
x-frame-options
SAMEORIGIN
permissions-policy
geolocation=(), midi=(), notifications=(), push=(), sync-xhr=(), microphone=(), camera=(), magnetometer=(), gyroscope=(), speaker=(self), vibrate=(), fullscreen=(self https://*.youtube.com https://*.youtube-nocookie.com https://*.youtu.be), payment=()
x-content-type-options
nosniff
content-security-policy
default-src 'self' http: https: data: blob: 'unsafe-inline' 'unsafe-eval' always script-src: 'unsafe-inline' https://*.google-analytics.com https://tagmanager.google.com https://www.googletagmanager.com img-src: https://*.google-analytics.com www.googletagmanager.com https://ssl.gstatic.com https://www.gstatic.com style-src: https://tagmanager.google.com https://fonts.googleapis.com font-src: https://fonts.gstatic.com data connect-src: https://*.google-analytics.com
strict-transport-security
max-age=31536000; includeSubDomains

Links to (3)

Linked from (1)