dns3.communitydns.net has no NS records.
NS records for this zone are defined at communitydns.net.
NS records for this zone are defined at communitydns.net.
Question and response
Question
dig dns3.communitydns.net. NS
Answer
The response has no answer records.
Authority
communitydns.net. 3600 SOA dns1.communitydns.net. admin.communitydns.net. 1773647062 900 400 3600000 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0