server.indexcodefive.com has no CNAME records.
Question and response
Question
dig server.indexcodefive.com. NS
Answer
The response has no answer records.
Authority
indexcodefive.com. 10698 SOA dns33562.dizinc.com. servidores.indexcode.com. 2026030302 3600 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0