mail.controlmanager.net has no NS records.
NS records for this zone are defined at controlmanager.net.
NS records for this zone are defined at controlmanager.net.
Question and response
Question
dig mail.controlmanager.net. NS
Answer
The response has no answer records.
Authority
controlmanager.net. 3600 SOA ns1.simply.com. hostmaster.simply.com. 2025102906 14400 3600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0