Email Authentication

tecmundo.com.br

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 include:servers.mcsv.net include:_spf.google.com  include:_spf.rdstation.com.br include:sendgrid.net ~all

fail

Cryptographic signature on outbound mail (selector: default).

3166813v.ha.azioncdn.net

pass

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

v=DMARC1; p=quarantine; rua=mailto:infra@nzn.io; pct=100; sp=none; adkim=r; aspf=r; fo=1

1 smtp.google.com