alfa-college.nl

DNS records live

NS

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

MX

• 10 alfacollege-nl01b.mail.protection.outlook.com

TXT

• HwMBNL8Tk7+/n1CMRYAD269uAiDDaBzI7pTRe8IYqSVXg7SfNQnmDFnsPyZXyEOWw778wXj9KtS0gUEjw7aj+w==
• amazonses:5QBbIe1jvoo3pmTV7u38jNe/kDgDUDPI99EKiLP5ueA=
• gifjesserver.azurewebsites.net.

Verified for

• Adobe
• Apple
• Google
• HARICA
• Microsoft 365

Email authentication strong

SPF

v=spf1 include:spf.protection.outlook.com include:_imtips.hosting.kirra.nl include:amazonses.com a:eduarte-web20.svr.previder.nl include:clients.summit.nl ip4:23.101.74.186 ip4:87.195.18.66 IP4:5.28.41.23 IP4:5.28.41.26 ip4:104.40.245.15 ip4:195.72.123.198 ip4:62.209.53.50 ip4:34.249.196.78 ip4:83.149.98.72 ip4:34.251.157.56 ip4:5.28.41.23 ip4:5.28.41.26 ip4:34.252.27.239 ip4:35.157.154.159 ip4:35.157.187.101 ip4:40.115.17.225 ip4:185.46.182.1 ip4:185.46.182.200/29 ip4:185.46.182.208/31 ip4:20.82.87.96/28 include:sendgrid.net include:_spf.exsilia.net -all

strict (-all)

DMARC

v=DMARC1; p=quarantine; rua=mailto:dmarctest@alfa-college.nl;

policy: quarantine

DKIM

• selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCcUyxCsCxQOICELItO5QgoflZPHhStwG1jKBNTHsr2aJkSsHqWo0ZzmvbPS49Cfu58TvqPmhNZrJAwh05+cW…
• s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArbHO6jVWGFddfqz3kdFOOHGEcZTQz49YDSdRI4cyngYqdD8s6oWro7ApxHEQDq6WLX6TykCC0BAv2A0k2l…
• s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyiXwHd8T3pBGYOJzAjfYQi39QM11RmVz3qnYmuOFU7zGN9wNqjgd4jPfkTqmv0nE/qiIQ1FVom7E+6uTPS…

selectors probed

Linked from (3)

• johancruyffcollege.nl×1
• bsidesgrunn.org×1
• cedce.eu×1