trumps.cnamag.com has no NS records.
NS records for this zone are defined at cnamag.com.
NS records for this zone are defined at cnamag.com.
Question and response
Question
dig trumps.cnamag.com. NS
Answer
The response has no answer records.
Authority
cnamag.com. 1800 SOA memphis.ns.cloudflare.com. dns.cloudflare.com. 2399133520 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0