Domains with DNS TXT v=spf1 include:spf.em.secureserver.net include:spf.protection.outlook.com ip4:216.164.21.246 -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.em.secureserver.net include:spf.protection.outlook.com ip4:216.164.21.246 -all.