loopback.rebel.com has no NS records.
NS records for this zone are defined at rebel.com.
NS records for this zone are defined at rebel.com.
Question and response
Question
dig loopback.rebel.com. NS
Answer
The response has no answer records.
Authority
rebel.com. 900 SOA ns-143.awsdns-17.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0