Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf.smtp2go.com ip4:138.201.164.61 ip4:78.47.131.131 -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf.smtp2go.com ip4:138.201.164.61 ip4:78.47.131.131 -all.