Email Authentication
defensa.com
SPF
passDeclares which servers may send mail for this domain.
v=spf1 a mx ip4:37.187.135.156 ip4:57.128.95.62 ~all
DKIM
passCryptographic signature on outbound mail (selector: default).
v=DKIM1; k=rsa; t=y; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDKkR3QmY80ow57AL427vOxKt2m6gJIZ2u2B4fXyVZTgrF6k52rh0aDmGkTgbnUDi0iPg7pQDdwtGLIO6+mCZbgK6w47/MCdZTm1p9334Ys2k21kEgusuA8ChdTHy05gTs7KzerQtodABVVoxWX9vNHPp+yZWcrTp1KLq7LFCgyGwIDAQAB
DMARC
warningTells receivers what to do with mail that fails SPF/DKIM. Policy: none.
v=DMARC1; p=none; rua=mailto:postmaster@defensa.com
Mail Servers (MX)
10 mail.defensa.com