Domains with DNS TXT v=spf1 a mx ip4:178.251.26.227 include:spf.protection.outlook.com include:sendgrid.net -all
There are 7 domains that have DNS TXT set to v=spf1 a mx ip4:178.251.26.227 include:spf.protection.outlook.com include:sendgrid.net -all. The top 7 records ordered by domain rank are listed below.