alan.madduck.net has no NS records.
NS records for this zone are defined at madduck.net.
NS records for this zone are defined at madduck.net.
Question and response
Question
dig alan.madduck.net. NS
Answer
The response has no answer records.
Authority
madduck.net. 10800 SOA a.ns.madduck.net. hostmaster.madduck.net. 1771380183 16384 2048 1209600 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0