autodiscoverredirect020.serverdata.net has no CNAME records.
Question and response
Question
dig autodiscoverredirect020.serverdata.net. NS
Answer
The response has no answer records.
Authority
serverdata.net. 3239 SOA ns2.serverdata.net. hostmaster.serverdata.net. 2026030715 3600 1800 1814400 3601
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0