Example:
safesploit.com or example.comExample:
172.16.5.. Only matching IPs are parsed.Used in SOA/NS as
dns6.example.com.Used as
admin.example.com.Use include mode for files like
005-critical-prod.conf.
Format:
IP primary-host alias1 alias2. Primary hostname becomes an A record. Extra hostnames become CNAMEs by default.