Domains with DNS TXT v=spf1 include:spf.smtp2go.com include:spf.protection.outlook.com ip4:103.251.172.114 ip4:40.127.68.21 ip4:165.228.181.11 ~all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.smtp2go.com include:spf.protection.outlook.com ip4:103.251.172.114 ip4:40.127.68.21 ip4:165.228.181.11 ~all.