You must finish tasks in Mailchimp and your DNS zone editor to authenticate your domain. Setting up Mailchimp SPF records for your domains is the first step in using safe email practices.
To locate your domain's authentication information in Mailchimp, take the following actions:
Please make the following DNS record public if you don't have an SPF record:
Type: TXT
Host: @
Value: v=spf1 include:servers.mcsv.net -all
(Note: We advise specifying -all rather than?all.)
To locate your domain's authentication information in Mailchimp, take the following actions: