ns3.graysmark.net has no CNAME records.
Question and response
Question
dig ns3.graysmark.net. NS
Answer
The response has no answer records.
Authority
graysmark.net. 3600 SOA ns1.graysmark.net. hostmaster.graysmark.net. 2024102746 14400 1800 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0