nsm2.tckops.net has no NS records.
NS records for this zone are defined at tckops.net.
NS records for this zone are defined at tckops.net.
Question and response
Question
dig nsm2.tckops.net. NS
Answer
The response has no answer records.
Authority
tckops.net. 900 SOA ns-1163.awsdns-17.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0