Email Authentication

stern.de

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 ip4:194.12.192.0/19 ip4:193.16.163.16 ip4:193.16.163.17 ip4:62.225.111.138 ip4:89.1.8.0/23 include:_spf.kundenserver.de include:spf.protection.outlook.com include:amazonses.com include:spf1.checkinserver.com include:spf.sendinblue.com include:_spf:zimpel.de ~all

DKIM

none

Cryptographic signature on outbound mail (selector: none).

No record published.

DMARC

warning

Tells receivers what to do with mail that fails SPF/DKIM. Policy: none.

v=DMARC1; p=none; fo=1; rua=mailto:dmarc@rtl.de; ruf=mailto:dmarc@rtl.de; adkim=r; aspf=r

Mail Servers (MX)

10 assur.rtl.de

10 marduk.rtl.de

20 sulis.rtl.de

20 sul.rtl.de

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