ns3.scriptcase.host has no CNAME records.
Question and response
Question
dig ns3.scriptcase.host. NS
Answer
The response has no answer records.
Authority
scriptcase.host. 10747 SOA ns1-stygius.scriptcase.host. host.netmake.com.br. 2026022302 3600 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0