w2k303.infusionsoft.com has no CNAME records.
Question and response
Question
dig w2k303.infusionsoft.com. NS
Answer
The response has no answer records.
Authority
infusionsoft.com. 1613 SOA alan.ns.cloudflare.com. dns.cloudflare.com. 2397350291 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0