lightbits.rit.edu has no CNAME records.
Question and response
Question
dig lightbits.rit.edu. NS
Answer
The response has no answer records.
Authority
rit.edu. 1110 SOA ns1a.rit.edu. root.rit.edu. 139610715 3600 600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0