emailsec.cdnetworks.net has no NS records.
NS records for this zone are defined at cdnetworks.net.
NS records for this zone are defined at cdnetworks.net.
Question and response
Question
dig emailsec.cdnetworks.net. NS
Answer
The response has no answer records.
Authority
cdnetworks.net. 60 SOA b.qtlgslbcn.info. dnsadmin.cdnetworks.com. 2023070601 7200 600 604800 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0