ph.communitydns.net has no CNAME records.
Question and response
Question
dig ph.communitydns.net. NS
Answer
The response has no answer records.
Authority
communitydns.net. 3600 SOA dns1.communitydns.net. admin.communitydns.net. 1772339687 900 400 3600000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0