ns2.aderlo.cloud has no CNAME records.
Question and response
Question
dig ns2.aderlo.cloud. NS
Answer
The response has no answer records.
Authority
aderlo.cloud. 1837 SOA ns1.aderlo.cloud. hostmaster.aderlo.cloud. 2025100200 2000 3600 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0