This site has an SPF record for MailChimp managed email sending.
https://mailchimp.com
Email Hosting Providers · Campaign Management
Get access to data on 808,606 websites that are MailChimp SPF Customers. We know of 432,044 live websites using MailChimp SPF and an additional 376,562 sites that used MailChimp SPF historically and 602 websites in Turkey.
MailChimp SPF websites that are also using other technologies.
Get a list of 808,606 websites using MailChimp SPF which includes location information, hosting data, contact details, 432,044 currently live websites and an additional 979,459 domains that redirect to sites in this list. 376,562 sites that used this technology previouslyand 602 websites in Turkey currently using MailChimp SPF.
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