Domains with DNS TXT v=spf1 mx include:spf4.up.pt include:spf6.up.pt include:spf.protection.outlook.com -all
There are 38 domains that have DNS TXT set to v=spf1 mx include:spf4.up.pt include:spf6.up.pt include:spf.protection.outlook.com -all. The top 38 records ordered by domain rank are listed below.