do.wnd.sh has no CNAME records.
Question and response
Question
dig do.wnd.sh. NS
Answer
The response has no answer records.
Authority
wnd.sh. 900 SOA ns1.wnd.sh. dns.sys.wnd.sh. 712 900 300 604800 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0