Domains with DNS TXT v=spf1 a mx include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de -all

There are 23 domains that have DNS TXT set to v=spf1 a mx include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de -all. The top 23 records ordered by domain rank are listed below.