indexo.dev

nieuwsbriefsysteem.nl

.nl crawl

First seen 2026-06-04 · Last seen 2026-06-04 · ok HTTP/1.1 200 667 ms crawled 2026-06-04

DE · 3.74.40.109 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title
Nieuwsbriefsysteem | Eenvoudig en snel
Description
Professionele nieuwsbrieven in één handomdraai. Probeer nu 30 dagen gratis ons proefaccount.
Language
nl

Open Graph

url
https://www.nieuwsbriefsysteem.nl/
title
Nieuwsbriefsysteem | Eenvoudig en snel
locale
nl_NL
site name
Nieuwsbriefsysteem.nl
description
Professionele nieuwsbrieven in één handomdraai. Probeer nu 30 dagen gratis ons proefaccount.

Technology

CDN
Amazon CloudFront
Analytics
  • Google Analytics

Third-party hosts loaded (2)

  • www.google-analytics.com×1
  • www.nieuwsbriefsysteem-static.nl×1

Social

Contact

Phone
Address
Nieuwsbriefsysteem.nlCornelis Drebbelstraat 213514 HSUtrecht

DNS records live

NS
  • ns-1294.awsdns-33.org
  • ns-1619.awsdns-10.co.uk
  • ns-425.awsdns-53.com
  • ns-963.awsdns-56.net
MX
  • 10 mail.nieuwsbriefsysteem.nl

Email authentication partial

SPF
v=spf1 a mx include:spf.nieuwsbriefsysteem.nl ~all
softfail (~all)
DMARC
v=DMARC1; p=none; pct=100; sp=none; aspf=r; rua=mailto:re+fjocezpbyod@dmarc.postmarkapp.com;
policy: none (monitoring only) · sp=none
DKIM
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAquyhcEUSLQyofj8Bv+6UdFnKfwhU8xqUl3YxnGUYh8sRq9cnSNOEvY24tYOO31hbSz4b3hJwbmuvFQkolI…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC9nVVIHqnWKcjEfCRWQfBEywkIat9V3Sq8cyZ5zKV87tUMWztpHRRH1acn0GYxQzoXwAu8QFz67HbU6MKyfFEinN…
selectors probed

Certificate (current)

Amazon RSA 2048 M04
from 2025-08-01 to 2026-08-29
Expires in 85 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 75/100 Checked live page: https://www.nieuwsbriefsysteem.nl/

present
  • strict-transport-security
  • x-frame-options
  • x-content-type-options
  • referrer-policy
findings
  • missing Content Security Policy
  • missing Permissions Policy
Header values
referrer-policy
strict-origin-when-cross-origin
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
strict-transport-security
max-age=63072000; preload

Links to (2)

Linked from (1)