mailer.cwie.net has no NS records.
NS records for this zone are defined at cwie.net.
NS records for this zone are defined at cwie.net.
Question and response
Question
dig mailer.cwie.net. NS
Answer
The response has no answer records.
Authority
cwie.net. 0 SOA ns1.phoenixnap.com. hostmaster.cwie.net. 2025120100 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0