mm.iland.net has no CNAME records.
Question and response
Question
dig mm.iland.net. NS
Answer
The response has no answer records.
Authority
iland.net. 146 SOA iland.net. root.iland.net. 2020032105 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0