ns.learn.ac.lk has no CNAME records.
Question and response
Question
dig ns.learn.ac.lk. NS
Answer
The response has no answer records.
Authority
learn.ac.lk. 7200 SOA ns.learn.ac.lk. noc.learn.ac.lk. 2026030101 7200 3600 1209600 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0