cloudfinder.wpengine.com has no CNAME records.
Question and response
Question
dig cloudfinder.wpengine.com. NS
Answer
The response has no answer records.
Authority
wpengine.com. 1744 SOA jim.ns.cloudflare.com. dns.cloudflare.com. 2397410907 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0