Question and response
Question
dig viewer.traininng.com. NS
Answer
viewer.traininng.com. 4 CNAME viewer.epsrv2.net.
Authority
epsrv2.net. 3588 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1770744673 43200 3600 604800 3601
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0