Domains with DNS TXT v=spf1 ip4:174.136.25.66 include:relay.mailchannels.net include:smtp.relay.serverneubox.com.mx ip4:174.136.37.97 include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:174.136.25.66 include:relay.mailchannels.net include:smtp.relay.serverneubox.com.mx ip4:174.136.37.97 include:spf.protection.outlook.com -all.