stmichaelcollege.nl

Technology

Server

nginx

DNS records live

NS

• ns1.savvii.nl
• ns2.savvii.eu
• ns3.savvii.com

MX

• 0 stmichaelcollege-nl.mail.protection.outlook.com

TXT

• DomainVerification=VWKWIK17M93HVL3GQ0JGC343SD9VBO7QP1SJ3LDUS69HBV3NO38KVD1RFLG68BO3

Verified for

• Google
• Microsoft 365
• Zoom

Email authentication strong

SPF

v=spf1 ip4:145.140.19.245 include:_pat_spf.holmsecurity.com include:spf.protection.outlook.com include:spf.customer.wis.nl include:_spf.zivver.com include:email.bergop.net ~all

softfail (~all)

DMARC

v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@stmichaelcollege.nl; pct=100

policy: quarantine

DKIM

Show 5 DKIM selectors

• google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAhgP2N7eOEzF3hWy0sP1i4uFlDfzVpLLDJ9kTN5i6jY3gvRecOqHbd8eDG9o5n0fOdYxCy6j+KwwKs7…
• selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCZ2cq1J32bl4vbEOA6ZbU1hWA9EaIWI7U6sUR6JeTs8m7CpQGZ96mrYlSRSDfpI50YmNh6B6npit4WI4dIla…
• selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2lM6t8br7RHRuD8iU8xHgsxa28JCtgHNyjyrc5eW9Q2D6rOOvVydUKiQ733C+y7l4Q1b8MQXmWJaHt…
• s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7JaFsXdBlpTcswCEyxxFuJWt2PZ28jbUJNe6WCHc1lsqWMisPpZtgAyCg+Q1xYXNd7pqgth0i/4pLAvU4Q…
• s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDQm8F2+U4GpuzBPk57LDxi1GUuoUS3A+wG72UUJzNuoP7jBrm0yq9vqA23c/9jcLpdd1YjNCrmRh/ogHxihk+o5H…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://stmichaelcollege.nl/

findings

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

Linked from (1)

• onderwijsregiohollandsnoorden.nl×1