Domains with DNS TXT v=spf1 include:_spf.senders.ottobock.com include:spf.protection.outlook.com -all
There are 32 domains that have DNS TXT set to v=spf1 include:_spf.senders.ottobock.com include:spf.protection.outlook.com -all. The top 32 records ordered by domain rank are listed below.