Domains with DNS TXT v=spf1 include:spf.protection.outlook.com +include:spf.a2hosting.com +include:spf.sendinblue.com +mx ~all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com +include:spf.a2hosting.com +include:spf.sendinblue.com +mx ~all.