Email Authentication

xing.com

SPF

pass
Declares which servers may send mail for this domain.
v=spf1 mx include:_netblocks.mail.xing.com include:_spf.zimpel.de include:_spf.salesforce.com include:_spf.abiliware.de ?include:servers.mcsv.net include:spf.protection.outlook.com include:mail.zendesk.com -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; rua=mailto:7675016f@in.mailhardener.com

Mail Servers (MX)

10 xing-com.mail.protection.outlook.com