suppress.guyberard.com has no CNAME records.
Question and response
Question
dig suppress.guyberard.com. NS
Answer
The response has no answer records.
Authority
guyberard.com. 2929 SOA dns.guyberard.com. hostmaster.guyberard.com. 1810337945 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0