srvxny43.xponzy.com has no CNAME records.
Question and response
Question
dig srvxny43.xponzy.com. NS
Answer
The response has no answer records.
Authority
xponzy.com. 10800 SOA ns1.xponzy.com. admin.xponzy.com. 2026020501 3600 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0