cou4267091.lnk.telstra.net has no NS records.
NS records for this zone are defined at lnk.telstra.net.
NS records for this zone are defined at lnk.telstra.net.
Question and response
Question
dig cou4267091.lnk.telstra.net. NS
Answer
The response has no answer records.
Authority
lnk.telstra.net. 6400 SOA dns0.telstra.net. hostmaster.telstra.net. 2021367227 10800 3600 604800 6400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0