Question and response
Question
dig autodiscover.mailstd03.zth.netdesignhost.com. HTTPS
Answer
autodiscover.mailstd03.zth.netdesignhost.com. 1 CNAME mailstd-03.zth.netdesignhost.com.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4000, xrcode 0, version 0, flags 0