indexo.dev

gebrdekoning.nl

.nl crawl

First seen 2026-06-02 · Last seen 2026-06-02 · ok HTTP/1.1 200 1945 ms crawled 2026-06-02

NL · 185.79.153.196 · AS58291 ColoCenter b.v.

Reputation 100/100

Classifying

HTML metadata

Title
De Koning. Doordacht bouwen. Voor morgen en daarna.
Description
Doordacht bouwen op de grens van land en water houdt ons land duurzaam veilig. Voor het welzijn van onze bewoners. Voor morgen en daarna.
Language
nl
Canonical
https://www.gebrdekoning.nl

Open Graph

url
https://www.gebrdekoning.nl
site name
Gebr. de Koning

Technology

Server
nginx
Stack
PHP
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts
Social widgets
  • Vimeo Embed

Third-party hosts loaded (4)

  • fonts.googleapis.com×2
  • player.vimeo.com×2
  • fonts.gstatic.com×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

DNS records live

NS
  • ns.zxcs.be
  • ns.zxcs.eu
  • ns.zxcs.nl
MX
  • 0 gebrdekoning-nl.mail.protection.outlook.com
Verified for
  • Apple
  • Google
  • Microsoft 365
  • OpenAI

Email authentication strong

SPF
v=spf1 a ip4:185.104.29.38 ip6:2a06:2ec0:1:0:0:0:0:96 include:spf.protection.outlook.com include:filter-out.zxcs.nl -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:aenc-d@dmarc.report-uri.com
policy: quarantine
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApI2bUnyLTUpMT1AL1uHNfZCzFBCDrQr36rbM7ahAAIVwCzxZxJLdV3uvh2eu9+CQQdI+iZNdu0X1k7…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

E7
from 2026-05-05 to 2026-08-03
Expires in 54 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 65/100 Checked live page: https://www.gebrdekoning.nl/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • weak frame protection
  • weak content type protection
  • missing Permissions Policy
Header values
referrer-policy
same-origin
x-frame-options
SAMEORIGIN, SAMEORIGIN
x-content-type-options
nosniff, nosniff
strict-transport-security
max-age=31536000

Links to (2)

Linked from (1)

Use this data via API

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  -H "X-API-Key: idx_..."

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