/ip dns static add address-list=DNS_FWD_VPN disabled=no forward-to=CloudFlare match-subdomain=\ yes name=discord.gg ttl=1d type=FWD comment="Discord"
Измените в команде параметры name и comment.
Пример:
name=evolushost.com
comment="evolushost"
Итог:
/ip dns static add address-list=DNS_FWD_VPN disabled=no forward-to=CloudFlare match-subdomain=\ yes name=evolushost.com ttl=1d type=FWD comment="evolushost"