Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:squarespace-mail.com -all

There are 14 domains that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:squarespace-mail.com -all. The top 14 records ordered by domain rank are listed below.