Domains with DNS TXT v=spf1 a mx include:spf.protection.outlook.com include:spf.em.secureserver.net ip4:191.101.59.51 -all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.protection.outlook.com include:spf.em.secureserver.net ip4:191.101.59.51 -all.