Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:_spf.online.superoffice.com include:mailgun.org -all
There are 8 domains that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:_spf.online.superoffice.com include:mailgun.org -all. The top 8 records ordered by domain rank are listed below.