Question and response
Question
dig dns.tsinghua.edu.cn. HTTPS
Answer
The response has no answer records.
Authority
tsinghua.edu.cn. 600 SOA dns2.edu.cn. szhu.net.tsinghua.edu.cn. 2099126308 3600 900 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0