w2k811.infusionsoft.com has no CNAME records.
Question and response
Question
dig w2k811.infusionsoft.com. NS
Answer
The response has no answer records.
Authority
infusionsoft.com. 238 SOA alan.ns.cloudflare.com. dns.cloudflare.com. 2397587270 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0