urano.evsis.com has no CNAME records.
Question and response
Question
dig urano.evsis.com. NS
Answer
The response has no answer records.
Authority
evsis.com. 5326 SOA ns1.evsis.com.ar. hostmaster.evsis.com.ar. 2018050810 21600 10800 604800 43200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0