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