deeltijd-opleidingen.nl

HTML metadata

Technology

Server

Apache

Analytics

• Google Tag Manager

Third-party hosts loaded (2)

• consent.cookiefirst.com×1
• www.googletagmanager.com×1

Registration

Registrar

Registrar.eu

Created

2009-02-11

Updated

2026-04-14

Name servers

• ns1.sectigoweb.com
• ns3.sectigoweb.com
• ns2.sectigoweb.com
• ns4.sectigoweb.com

DNS records live

NS

• ns1.sectigoweb.com
• ns2.sectigoweb.com
• ns3.sectigoweb.com
• ns4.sectigoweb.com

MX

• 10 deeltijdopleidingen-nl02b.mail.protection.outlook.com

Verified for

• Google
• Microsoft 365

Email authentication partial

SPF

v=spf1 a include:spf.mailcamp.nl include:mailgun.org include:emailsrvr.com include:spf.protection.outlook.com include:spf.mandrillapp.com -all

strict (-all)

DMARC

v=DMARC1; p=none; rua=mailto:rua@report.rect.to; ruf=mailto:ruf@report.rect.to; pct=100; fo=1;

policy: none (monitoring only)

DKIM

• k1: k=rsa\; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDDjFl9SSfB7ybV7JBytq/R9aw5FRsVFwrS0LHImbPvJtoGUbNLDY/05onxewlL/0UVqR7+siXq1tbitYLJz2My0CHFbV…
• k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.deeltijd-opleidingen.nl/

findings

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

Links to (6)

• universiteitstart.nl×1
• mbostart.nl×1
• master-opleidingen.nl×1
• keuzes.nl×1
• hbostart.nl×1
• adviesbedrijf.nl×1

Linked from (3)

• universiteitstart.nl×1
• mbostart.nl×1
• hbostart.nl×1