Domains with DNS TXT v=spf1 a mx ptr include:smtp2go.com include:spf.protection.outlook.com include:ip4:67.227.214.29 -all
There is 1 domain that have DNS TXT set to v=spf1 a mx ptr include:smtp2go.com include:spf.protection.outlook.com include:ip4:67.227.214.29 -all.