cns1.hostcocoa.com has no NS records.
NS records for this zone are defined at hostcocoa.com.
NS records for this zone are defined at hostcocoa.com.
Question and response
Question
dig cns1.hostcocoa.com. NS
Answer
The response has no answer records.
Authority
hostcocoa.com. 900 SOA ns-1946.awsdns-51.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0