Domains with DNS TXT v=spf1 +a +mx include:relay.mailchannels.net +ip4:23.235.220.5 +ip4:74.124.195.181 include:spf.smtp2go.com -all
There is 1 domain that have DNS TXT set to v=spf1 +a +mx include:relay.mailchannels.net +ip4:23.235.220.5 +ip4:74.124.195.181 include:spf.smtp2go.com -all.