purple.bonev.com has no CNAME records.
Question and response
Question
dig purple.bonev.com. NS
Answer
The response has no answer records.
Authority
bonev.com. 10800 SOA ns.ipacct.bg. noc.ipacct.com. 2025051601 10800 3600 2419200 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0