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