Email Authentication

granma.cu

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 a mx a:mx1.granma.cu a:mx2.granma.cu a:grai2.granma.cu ip4:200.55.139.40 -all

none

Cryptographic signature on outbound mail (selector: none).

No record published.

none

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

No record published.

5 mx1.granma.cu

6 mx2.granma.cu

6 grai2.granma.cu