D052768B.ptr.provps.com has no CNAME records.
Question and response
Question
dig D052768B.ptr.provps.com. NS
Answer
The response has no answer records.
Authority
provps.com. 4688 SOA ns1.ndchost.com. webmaster.ndchost.com. 2026030105 14400 7200 3600000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0