98-19-33-186.ufinet.com.cr has no CNAME records.
Question and response
Question
dig 98-19-33-186.ufinet.com.cr. NS
Answer
The response has no answer records.
Authority
cr. 1668 SOA dns.nic.cr. ti.nic.cr. 1771722903 14400 3600 1209600 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0