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