Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:agenturserver.de include:spf.hornetsecurity.com ~all

There are 22 domains that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:agenturserver.de include:spf.hornetsecurity.com ~all. The top 22 records ordered by domain rank are listed below.