oficinaci.interdominios.com has no CNAME records.
Question and response
Question
dig oficinaci.interdominios.com. NS
Answer
The response has no answer records.
Authority
interdominios.com. 1800 SOA charles.ns.cloudflare.com. dns.cloudflare.com. 2398190943 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0