Question and response
Question
dig mx1.ctihk.com. AAAA
Answer
The response has no answer records.
Authority
ctihk.com. 3600 SOA ns1o.ctihk.com. sysadm.ns1o.ctihk.com. 2026012801 3600 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0