0.121.55.192.guam.net has no NS records.
NS records for this zone are defined at 121.55.192.guam.net.
NS records for this zone are defined at 121.55.192.guam.net.
Question and response
Question
dig 0.121.55.192.guam.net. NS
Answer
The response has no answer records.
Authority
121.55.192.guam.net. 3600 SOA NS.guam.net. HostMaster.ns.guam.net. 2010080500 3600 3600 3600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0