newsletter.netdesigngroup.com has no NS records.
NS records for this zone are defined at netdesigngroup.com.
NS records for this zone are defined at netdesigngroup.com.
Question and response
Question
dig newsletter.netdesigngroup.com. NS
Answer
The response has no answer records.
Authority
netdesigngroup.com. 1800 SOA beth.ns.cloudflare.com. dns.cloudflare.com. 2398786793 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0