dns.focolare.org has no CNAME records.
Question and response
Question
dig dns.focolare.org. NS
Answer
The response has no answer records.
Authority
focolare.org. 2018 SOA NS67.WORLDNIC.COM. namehost.WORLDNIC.COM. 125120309 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0