Email Authentication

ionos.com

SPF

warning

Declares which servers may send mail for this domain.

v=spf1 redirect=_spf-corporate.ionos.com

none

Cryptographic signature on outbound mail (selector: none).

No record published.

pass

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

v=DMARC1; p=reject; sp=reject; rua=mailto:sdwcwvtj@rua.eu.dmarcmanager.app; ri=86400; aspf=r; adkim=r

10 mxint01.1and1.com

10 mxint02.1and1.com