Caching a Wildcard Domain Using Varnish With Multiple Virtual Hosts

At my company, TGFI, we have a handful of sites that run through Varnish to cache images, css, javascript and even full pages in memory. To date, all of this had been done with known domains (domain.host, www.domain.host). This week, however, we have a new application going live in the system that uses a wildcard domain. Despite looking around, I was unable to find documentation on how to handle a wildcard domain when varnish is setup to handle multiple sites.

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