Domains with DNS TXT v=spf1 ip4:198.59.144.136 include:relay.mailchannels.net include:smtp.relay.serverneubox.com.mx +a +mx ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:198.59.144.136 include:relay.mailchannels.net include:smtp.relay.serverneubox.com.mx +a +mx ~all.