Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf.constantcontact.com include:_spf_useast2.prod.hydra.sophos.com include:_spf_uswest2.prod.hydra.sophos.com -all
There are 2 domains that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf.constantcontact.com include:_spf_useast2.prod.hydra.sophos.com include:_spf_uswest2.prod.hydra.sophos.com -all. The top 2 records ordered by domain rank are listed below.