driestar-educatief.nl

.nl crawl

First seen 2026-06-01 · Last seen 2026-06-03 · ok HTTP/1.1 200 1810 ms crawled 2026-06-02

NL · 20.105.224.6 · AS8075 Microsoft Corporation

Reputation 100/100

Classifying

HTML metadata

Title: Driestar educatief | het praktijkgerichte kenniscentrum - Driestar educatief
Description: Driestar educatief is een praktijkgericht kenniscentrum dat een inspirerende bijdrage levert aan het christelijk onderwijs in binnen- en buitenland.

Technology

Server: Microsoft-IIS
ASP.NET: 4.0.30319
jQuery: 1.10.2 known XSS (<3.5)
Stack: ASP.NET

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (3)

ajax.googleapis.com×1
fonts.googleapis.com×1
www.googletagmanager.com×1

Social

Contact

Phone

47078773-1

DNS records live

NS

ns1.surfnet.nl
ns1.zurich.surf.net
ns2.surfnet.nl
ns3.surfnet.nl

MX

10 driestareducatief-nl02b.mail.protection.outlook.com

TXT

5SvWn/hDWZr8OUZK6lJjjUvWVRmhagFeQgW+zQf9zD8/JfE2klmCM7g1Q0ommvFLuixHoFsPncKccm5CIwHJxA==

Verified for

HARICA

Email authentication strong

SPF

v=spf1 include:spf1.driestar-educatief.nl include:spf.eu.exclaimer.net include:sendgrid.net include:spf.mandrillapp.com include:spf.protection.outlook.com  include:spf.interconnect.nl -all

strict (-all)

DMARC

v=DMARC1; p=reject; pct=100; adkim=r; aspf=r; fo=1; ri=3600; rua=mailto:dmarcreports@driestar-educatief.nl; ruf=mailto:dmarcreports@driestar-educatief.nl;

policy: reject (enforced)

DKIM

Show 4 DKIM selectors

selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDWV9SLcq9F97RJXTEiA6gwEDjrdB8uZppidlIGZLOc33tHcNOffpEF5dagqbJQIhWJg5GRQ7R0PHBHrT6JlZ…
selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnx4DhBmMd1XcBKtlDFoR8HiYlpwX75UxlgN9rv7If86AEkW+zw9Il2dkx8J/zX7M3aRdM3rXN7U3ul…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6hMcuhq4Pl0ZMQB7i1p5g/tRotKYS7K3Ncw1xUXc3LUCCeF53yRdOo12IbKc5egdsXi061A8DOYUqB1kqx…
s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxZmFaaIfJVkgsN+Ul3JyrY/eyTrVwK4x16+EGHvxQeXP62BTEUkApmkRNk14v40QSKzno9hJ8NS/qs8buO…

selectors probed

Certificate (current)

GEANT TLS RSA 1

from 2025-11-17 to 2026-11-17

Expires in 167 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 70/100 Checked live page: https://www.driestar-educatief.nl/home

present

strict-transport-security
x-frame-options
x-content-type-options
referrer-policy

findings

missing Content Security Policy
weak frame protection
missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN, SameOrigin
x-content-type-options: nosniff
strict-transport-security: max-age=31536000