TXT
TXT Records
v=spf1 include:_spf.google.com include:amazonses.com include:secureserver.net include:servers.mcsv.net include:spf.protection.outlook.com include:_spf.salesforce.com include:shops.shopify.com include:mail.zendesk.com ~all
v=spf1 include:spf.spacemail.com ~all