dns.cfrroofs.com has no CNAME records.
Question and response
Question
dig dns.cfrroofs.com. NS
Answer
The response has no answer records.
Authority
cfrroofs.com. 3533 SOA dns.cfrroofs.com. hostmaster.cfrroofs.com. 1413883961 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0