driestar-onderwijsadvies.nl

HTML metadata

Title: Driestar Onderwijsadvies | Jouw partner in het onderwijs | Cursussen en teamscholingen
Language: nl
Canonical: https://www.driestar-onderwijsadvies.nl/

Open Graph

url: https://www.driestar-onderwijsadvies.nl/
title: Driestar Onderwijsadvies | Jouw partner in het onderwijs | Cursussen en teamscholingen
site name: Driestar Onderwijs Advies

Technology

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (2)

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

Contact

Email

Phone

0182540333

Address

Burgemeester Jamessingel 2, 2803 PD, Gouda, NL

DNS records live

NS

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

MX

0 driestaronderwijsadvies-nl02b.mail.protection.outlook.com

TXT

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwbOqNulqIqcvfZ2QzZLxzrbF1wsqVT93YmrH6/vCtec/iS+p/9cR3GJr4ZfKZD1JP9FQUQu19m7IRUujYp+kDZwt5bvkvUzoWMS6W8Kt/Q9CpqwkQg8T1nqAsYAvrlvKxJdxVM6mnyGuo+QPVsbAga3McnaiHM1xvBwF0M7hCwe9aTRfmweC3vgPkqctxayCVHwKyk7umd79dsPkpmYRrqcNN2+9tewKVyHKKccDUcBx/HsgontgRYv5RiUwLvjDm+9btjI/b/jI/fOk+dqb8ru4zPuOvtwBofiwbFaSZwhtmuO4oK4BW8rYfiP9FaVTg6/3G9bujcoj7RjFgc80AQIDAQAB;

Verified for

HARICA
Microsoft 365

Email authentication strong

SPF

v=spf1 include:spf.protection.outlook.com -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

selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwbOqNulqIqcvfZ2QzZLxzrbF1wsqVT93YmrH6/vCtec/iS+p/9cR3GJr4ZfKZD1JP9FQUQu19m7IRU…
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 2025-10-09 to 2026-10-09

Expires in 128 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.driestar-onderwijsadvies.nl/

present

strict-transport-security
x-frame-options

findings

missing Content Security Policy
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
strict-transport-security: max-age=31536000; includeSubDomains