Question and response
Question
dig fails.kohoan.com. A
Answer
fails.kohoan.com. 1800 A 23.163.216.21
Authority
kohoan.com. 1800 NS dns1.registrar-servers.com.
kohoan.com. 1800 NS dns2.registrar-servers.com.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0