ns1.rg.net has no CNAME records.
Question and response
Question
dig ns1.rg.net. NS
Answer
The response has no answer records.
Authority
rg.net. 6409 SOA rip.psg.com. hostmaster.psg.com. 1772852137 86400 3600 2592000 14400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0