vps.ar.com.do has no CNAME records.
Question and response
Question
dig vps.ar.com.do. NS
Answer
The response has no answer records.
Authority
ar.com.do. 10524 SOA customer-ns1.kxe.io. support.crowncloud.net. 2026030200 3600 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0