Email Authentication

cdu.de

SPF

warning

Declares which servers may send mail for this domain.

v=spf1 ip4:193.219.105.0/24 ip4:87.129.40.18 ip4:87.129.40.20 ip4:87.129.40.21 ip4:87.129.40.22 include:spf.protection.outlook.com include:inxserver.com include:spf.mailjet.com include:spf.sendinblue.com mx -all

DKIM

pass

Cryptographic signature on outbound mail (selector: selector1).

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6u/lHYJ8daDaLAL5w778X+g5QbuXQGY5DTjvuZDg0Z4Z/bUK2geFP6/0i3Shogqe2xbKO5BFNtzZVp1UYXJHuCv5amff56m9wtgka7YckGHwC384jsP5rahcSpyJPAI+WaFjklNBGzys0OhaLKTC9ODQkavkDsDEex15f0jEFFPgmSI1BLyv91l1cckAE0bAIhkEb9ORsPg+uHzCbKoLvfftYxdU0KPaMdSWP5aApXuxDMq5FdT6HgXmcHbEVlMYp1rQiZJPmuCzmAZ7gH1iz8T5O2DQTn6Ch/t4rOZOyA3pTIpYqRL8lEoXeYtH/qVPccGIwnVDn5116nM4E4nBrQIDAQAB;

DMARC

pass

Tells receivers what to do with mail that fails SPF/DKIM. Policy: reject.

v=DMARC1; p=reject; sp=reject; rua=mailto:dmarc@mailinblue.com!10m, mailto:dmarc@ubgnet.de!10m; ruf=mailto:dmarc@mailinblue.com!10m, mailto:dmarc@ubgnet.de!10m; rf=afrf; pct=100; ri=86400

Mail Servers (MX)

5 mail48.cdu.de

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