mail.flars.net has no CNAME records.
Question and response
Question
dig mail.flars.net. NS
Answer
The response has no answer records.
Authority
flars.net. 3600 SOA dns.focolare.org. admin.focolare.org. 2014071320 900 600 86400 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0