dns2.ipmanagerinc.net has no CNAME records.
Question and response
Question
dig dns2.ipmanagerinc.net. NS
Answer
The response has no answer records.
Authority
ipmanagerinc.net. 300 SOA ns01.brandshelter.com. tech.brandshelter.com. 2024080100 10800 3600 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0