smtp03.yeg.alentus.net has no NS records.
NS records for this zone are defined at alentus.net.
NS records for this zone are defined at alentus.net.
Question and response
Question
dig smtp03.yeg.alentus.net. NS
Answer
The response has no answer records.
Authority
alentus.net. 300 SOA ns1.zabco.net. root.ns1.zabco.net. 2026012801 10800 3600 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0