ad9dfefee4e491c65.awsglobalaccelerator.com has no NS records.
NS records for this zone are defined at awsglobalaccelerator.com.
NS records for this zone are defined at awsglobalaccelerator.com.
Question and response
Question
dig ad9dfefee4e491c65.awsglobalaccelerator.com. NS
Answer
The response has no answer records.
Authority
awsglobalaccelerator.com. 900 SOA ns-609.awsdns-12.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0