mail.safehost.zone has no CNAME records.
Question and response
Question
dig mail.safehost.zone. NS
Answer
The response has no answer records.
Authority
safehost.zone. 3600 SOA ns1.nsgrid.net. dns.nsgrid.net. 2020080513 3600 600 43200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0