deltanetwerk.nl

Registration

Registrar

DELTA Fiber Nederland B.V.

Created

2018-05-24

Updated

2025-12-02

Name servers

• ns1.dfn.nl
• ns2.dfn.nl

DNS records live

NS

• ns1.dfn.nl
• ns2.dfn.nl

MX

• 10 deltanetwerk-nl.mail.protection.outlook.com

Verified for

• Microsoft 365

Email authentication strong

SPF

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

strict (-all)

DMARC

v=DMARC1; p=quarantine; fo=1; rua=mailto:rua@deltanetwerk.nl; ruf=mailto:ruf@deltanetwerk.nl

policy: quarantine

DKIM

• selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuEAWGCSUS14eqSwnd15+SpcwNLp7VguO3PMTsl8qr7ESOw0K7ps7SzHlK8bBWSQXHXZHf8qOqPfNEf…
• selector2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwXXF+qdiRZGJNShVzTlSooMd+CJYZRSTlIWSgAbmlVfzDq/76BG8ttUsapb71m6JeSwVns4Pkm4J7F…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

Linked from (2)

• holwierde.com×1
• deltafiber.nl×1