Domains with DNS TXT v=spf1 ip4:155.138.156.68 ip4:149.248.51.72 +a +mx include:spf.protection.outlook.com -all

There are 32 domains that have DNS TXT set to v=spf1 ip4:155.138.156.68 ip4:149.248.51.72 +a +mx include:spf.protection.outlook.com -all. The top 32 records ordered by domain rank are listed below.