d.ns.cheetahces.com has no NS records.
NS records for this zone are defined at ns.cheetahces.com.
NS records for this zone are defined at ns.cheetahces.com.
Question and response
Question
dig d.ns.cheetahces.com. NS
Answer
The response has no answer records.
Authority
ns.cheetahces.com. 60 SOA a.ns.cheetahces.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0