ns1.nbs-system.com has no CNAME records.
Question and response
Question
dig ns1.nbs-system.com. NS
Answer
The response has no answer records.
Authority
nbs-system.com. 7229 SOA ns.nbs-system.com. root.nbs-system.com. 2025081301 6000 7200 2419200 604800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0