Question and response
Question
dig smtp02.apac.sabacloud.com. HTTPS
Answer
The response has no answer records.
Authority
apac.sabacloud.com. 1800 SOA dns1.p01.nsone.net. hostmaster.nsone.net. 1735294303 3600 600 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0