pit.maxim.net has no CNAME records.
Question and response
Question
dig pit.maxim.net. NS
Answer
The response has no answer records.
Authority
maxim.net. 600 SOA ns1.peer1.net. dns.maxim.net. 3 28800 7200 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0