Domains with DNS TXT v=spf1 +a +mx include:_spf.google.com include:sendgrid.net include:telenet.be mx:smtp.gmail.com include:my.billit.be include:spf.protection.outlook.com ~all
There is 1 domain that have DNS TXT set to v=spf1 +a +mx include:_spf.google.com include:sendgrid.net include:telenet.be mx:smtp.gmail.com include:my.billit.be include:spf.protection.outlook.com ~all.