Domains with DNS TXT v=spf1 +a +mx +ip4:23.137.104.240 include:relay.mailchannels.net -all

There is 1 domain that have DNS TXT set to v=spf1 +a +mx +ip4:23.137.104.240 include:relay.mailchannels.net -all.

Top Domains with TXT set to v=spf1 +a +mx +ip4:23.137.104.240 include:relay.mailchannels.net -all