ns2.siidc.net has no NS records.
NS records for this zone are defined at siidc.net.
NS records for this zone are defined at siidc.net.
Question and response
Question
dig ns2.siidc.net. NS
Answer
The response has no answer records.
Authority
siidc.net. 60 SOA ns1.siidc.net. root.ns1.siidc.net. 2010050482 10800 1800 4233600 21600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0