msmail.multinet.net.pk has no CNAME records.
Question and response
Question
dig msmail.multinet.net.pk. NS
Answer
The response has no answer records.
Authority
multinet.net.pk. 968 SOA kim.ns.cloudflare.com. dns.cloudflare.com. 2395678818 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0