ns1.state.nc.us has no NS records.
NS records for this zone are defined at state.nc.us.
NS records for this zone are defined at state.nc.us.
Question and response
Question
dig ns1.state.nc.us. NS
Answer
The response has no answer records.
Authority
state.nc.us. 900 SOA ns1.nc.gov. hostmaster.its.nc.gov. 2011061128 10800 3600 2419200 900
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0