alarm.nmc.ctm.net has no NS records.
NS records for this zone are defined at nmc.ctm.net.
NS records for this zone are defined at nmc.ctm.net.
Question and response
Question
dig alarm.nmc.ctm.net. NS
Answer
The response has no answer records.
Authority
nmc.ctm.net. 3600 SOA vassun1.macau.ctm.net. anita.macau.ctm.net. 2014050979 5600 5900 2000000 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0