ns3.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 ns3.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