ns2.m.glbns.com has no CNAME records.
Question and response
Question
dig ns2.m.glbns.com. NS
Answer
The response has no answer records.
Authority
glbns.com. 1800 SOA ns1.dotroll.com. domreg.dotroll.com. 2024121602 86400 7200 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0