Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:spf.sendinblue.com mx ~all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:spf.sendinblue.com mx ~all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:spf.sendinblue.com mx ~all