Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf1.masivapp.com include:_spf.us.sendclean.net -all

There are 22 domains that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf1.masivapp.com include:_spf.us.sendclean.net -all. The top 22 records ordered by domain rank are listed below.