Domains with DNS TXT v=spf1 a include:spf.protection.outlook.com ip4:173.163.131.225 ip4:4.15.214.188 ip4:192.64.126.247 include:esp1.co -all
There is 1 domain that have DNS TXT set to v=spf1 a include:spf.protection.outlook.com ip4:173.163.131.225 ip4:4.15.214.188 ip4:192.64.126.247 include:esp1.co -all.