ns2.perimeterusa.com has no CNAME records.
Question and response
Question
dig ns2.perimeterusa.com. NS
Answer
The response has no answer records.
Authority
perimeterusa.com. 300 SOA ns1.ireadyworld.com. admin.ireadyworld.com. 2026022401 7200 600 1209600 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0