Email Authentication
sec.gov
SPF
passDeclares which servers may send mail for this domain.
v=spf1 include:_mail.sec.gov include:_sas.sec.gov include:_sas1.sec.gov include:_sas2.sec.gov ip4:162.138.52.160 ip4:162.138.52.161 ip4:162.138.53.160 ip4:162.138.53.161 include:spf.protection.outlook.com -all
DKIM
passCryptographic signature on outbound mail (selector: selector1).
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCkkUIWS8g9xda6nZ7G3U0yU2UR42EsO9iAO6EA/Yl6USE94E2xu+6XD3teJTAweZ6EAQlwSX7QvpCMnTLFwV0qpMH8pfb5OBpcK6owJUpYT8mzXdlb8wO2hGJHd38gNgfMUX61k7jDoJgawPW/W1Ewty2T4fi+0fMw57u8OfXpcwIDAQAB; n=1024,1456443699,1472168499
DMARC
passTells receivers what to do with mail that fails SPF/DKIM. Policy: reject.
v=DMARC1; p=reject; pct=100; rua=mailto:DMARC@sec.gov!10m,mailto:SOCReporting@sec.gov!10m,mailto:reports@dmarc.cyber.dhs.gov
Mail Servers (MX)
10 sec-gov.mail.protection.outlook.com