Question and response
Question
dig openhouse.chula.ac.th. NS
Answer
openhouse.chula.ac.th. 3 CNAME cuopenhouse.xyz.
cuopenhouse.xyz. 3 NS dns1.registrar-servers.com.
cuopenhouse.xyz. 3 NS dns2.registrar-servers.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0