Email Authentication
rtx.com
SPF
passDeclares which servers may send mail for this domain.
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -allDKIM
noneCryptographic signature on outbound mail (selector: none).
No record published.
DMARC
passTells receivers what to do with mail that fails SPF/DKIM. Policy: reject.
v=DMARC1; p=reject; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;fo=1
Mail Servers (MX)
10 mxa-00105402.gslb.gpphosted.com
10 mxb-00105402.gslb.gpphosted.com