Email Authentication
coderanch.com
SPF
passDeclares which servers may send mail for this domain.
v=spf1 a mx ip4:52.41.164.144 ip4:204.144.184.130 ip4:204.144.184.143 ip4:204.144.184.131 ip6:2602:ffc6:210::5 -all
DKIM
passCryptographic signature on outbound mail (selector: default).
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC4YYUaopCahcZuh4WqGK8rWKXw2QnaCfZteEzxVKueFhbMsO9oT2eeMSloCEni9vQdQvyBa2ZFbN3Jh1d523Rjq2Sqfr0kjtOXDHsO7L4KzBcpPbl9pFPly2+JChj+TDyoHb4B3rS08dORxK5QwH3v3CbUYarzaCgqQ85dE/okjQIDAQAB
DMARC
warningTells receivers what to do with mail that fails SPF/DKIM. Policy: none.
v=DMARC1; p=none; rua=mailto:dmarc@coderanch.com
Mail Servers (MX)
10 smtp-relay.javaranch.com
20 smtp-relay.javaranch.com