ip23.provisiondata.net has no CNAME records.
Question and response
Question
dig ip23.provisiondata.net. NS
Answer
The response has no answer records.
Authority
provisiondata.net. 124 SOA pdns1.provisiondata.net. hostmaster.provisiondata.net. 2022051002 1800 600 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0