Domains with DNS TXT v=spf1 mx a ptr ip4:95.143.206.37 ip4:95.143.207.4 include:spf.smtp2go.com include:relay.mailchannels.net -all
There is 1 domain that have DNS TXT set to v=spf1 mx a ptr ip4:95.143.206.37 ip4:95.143.207.4 include:spf.smtp2go.com include:relay.mailchannels.net -all.