ns2.chi3.etrn.com has no NS records.
NS records for this zone are defined at etrn.com.
NS records for this zone are defined at etrn.com.
Question and response
Question
dig ns2.chi3.etrn.com. NS
Answer
The response has no answer records.
Authority
etrn.com. 2560 SOA ns1.chi1.etrn.com. hostmaster.etrn.com. 1771702010 16384 2048 1048576 2560
Additional
The response has no additional records.