iron4.stackdata.net has no NS records.
NS records for this zone are defined at stackdata.net.
NS records for this zone are defined at stackdata.net.
Question and response
Question
dig iron4.stackdata.net. NS
Answer
The response has no answer records.
Authority
stackdata.net. 600 SOA ns-01.stackdata.net. hostmaster.stackdata.net. 2025042300 800 300 6800 600
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0