slow.superbiastudios.com has no NS records.
NS records for this zone are defined at superbiastudios.com.
NS records for this zone are defined at superbiastudios.com.
Question and response
Question
dig slow.superbiastudios.com. NS
Answer
The response has no answer records.
Authority
superbiastudios.com. 3601 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1773061170 43200 3600 604800 3601
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0