PLACEHOLDER.aa.sc.efscloud.net has no CNAME records.
Question and response
Question
dig PLACEHOLDER.aa.sc.efscloud.net. NS
Answer
The response has no answer records.
Authority
aa.sc.efscloud.net. 299 SOA ns1.efscloud.net. root.efscloud.net. 1651246721 3600 900 3600000 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0