maartenheideman.nl

.nl crawl

First seen 2026-06-01 · Last seen 2026-06-02 · ok HTTP/1.1 200 445 ms crawled 2026-06-02

NL · 159.223.218.240 · AS14061 DigitalOcean, LLC

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Webspecialist - Maarten Heideman
Description
Maarten Heideman, al 10 jaar freelance webdesigner / front-end developer en ondernemer. Ik bouw maatwerk Craftcms & WordPress websites en hybride apps voor IOS en Android.
Language
nl
Canonical
https://www.maartenheideman.nl/

Open Graph

url
https://www.maartenheideman.nl/
title
Homepage - Maarten Heideman (nl)
locale
nl
site name
Maarten Heideman
description
Maarten Heideman, al 10 jaar freelance webdesigner / front-end developer en ondernemer. Ik bouw maatwerk Craftcms & WordPress websites en hybride apps voor IOS en Android.
locale:alternate
nl

Technology

Server
nginx
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • elfsightcdn.com×1
  • fonts.googleapis.com×1
  • www.googletagmanager.com×1

Contact

Phone

DNS records live

NS
  • ns1.european-server.eu
  • ns3.european-server.com
  • ns4.european-server.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • k=rsa;t=s;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCbmGbQMzYeMvxwtNQoXN0waGYaciuKx8mtMh5czguT4EZlJXuCt6V+l56mmt3t68FEX5JJ0q4ijG71BGoFRkl87uJi7LrQt1ZZmZCvrEII0YO4mp8sDLXC8g1aUAoi8TJgxq2MJqCaMyj5kAm3Fdy2tzftPCV/lbdiJqmBnWKjtwIDAQAB
Verified for
  • Google

Email authentication partial

SPF
v=spf1 a mx include:_spf.google.com include:_spf.elasticemail.com ~all
softfail (~all)
DMARC
v=DMARC1;p=none;
policy: none (monitoring only)
DKIM
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
selectors probed

Certificate (current)

YR1
from 2026-05-31 to 2026-08-29
Expires in 87 days

HTTP security headers

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

present
  • content-security-policy
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing HSTS
  • CSP allows unsafe inline scripts/styles
  • CSP uses wildcard sources
  • missing Permissions Policy
Header values
referrer-policy
strict-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
default-src * 'unsafe-eval' 'unsafe-inline' data: filesystem: about: blob: ws: wss:;

Linked from (1)