Domains with DNS TXT v=spf1 mx ip4:37.157.51.207 include:_spf.createsend.com include:spf.protection.outlook.com include:sendgrid.net -all
There is 1 domain that have DNS TXT set to v=spf1 mx ip4:37.157.51.207 include:_spf.createsend.com include:spf.protection.outlook.com include:sendgrid.net -all.