rdns.valex.cloud has no NS records.
NS records for this zone are defined at valex.cloud.
NS records for this zone are defined at valex.cloud.
Question and response
Question
dig rdns.valex.cloud. NS
Answer
The response has no answer records.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0