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