g-ns1.amzndns.com has no NS records.
NS records for this zone are defined at amzndns.com.
NS records for this zone are defined at amzndns.com.
Question and response
Question
dig g-ns1.amzndns.com. NS
Answer
The response has no answer records.
Authority
amzndns.com. 907 SOA g-ns1.amzndns.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 907
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0