{
"mx": [
"20 sterlingtransportation-com.inbound.emailservice.cc.",
"10 sterlingtransportation-com.inbound.emailservice.io.",
"30 sterlingtransportation-com.inbound.emailservice.co."
],
"spf": [
"v=spf1 a mx ip4:69.84.129.224/27 ip4:76.80.98.224/29 ip4:208.70.208.0/22 ip4:208.65.144.0/21 ip4:208.81.64.0/22 ip4:64.60.157.112/28 ip4:66.93.207.96/27 ip4:207.145.146.72/29 ip4:50.79.150.101/32 include:spf.protection.outlook.com include:sendgrid.net in\" \"clude:spf.us.emailservice.io include:spf.sendinblue.com a:mail.cargomanager.com ~all"
]
}