olivia.asdf456.com has no CNAME records.
Question and response
Question
dig olivia.asdf456.com. NS
Answer
The response has no answer records.
Authority
asdf456.com. 556 SOA dns2.asdf456.com. dns1.asdf456.com. 1771889729 600 600 600 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0