abuse-sinkhole.changeip.com has no NS records.
NS records for this zone are defined at changeip.com.
NS records for this zone are defined at changeip.com.
Question and response
Question
dig abuse-sinkhole.changeip.com. NS
Answer
The response has no answer records.
Authority
changeip.com. 30 SOA ns3.changeip.com. support.changeip.com. 1 3600 150 604800 30
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0