Domains with DNS TXT v=spf1 ip4:103.138.153.34 include:mail.smtp2go.com include:smtp2go.com ip4:223.165.64.116 ip4:103.138.153.25 ip4:121.79.226.87 ip4:114.23.167.170 include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:103.138.153.34 include:mail.smtp2go.com include:smtp2go.com ip4:223.165.64.116 ip4:103.138.153.25 ip4:121.79.226.87 ip4:114.23.167.170 include:spf.protection.outlook.com -all.