Registro IPv4
host: fortube.com
class: IN
ttl: 600
type: A
ip: 192.198.80.150

Servidores DNS Principal (mname) y Secundario (rname)
host: fortube.com
class: IN
ttl: 600
type: SOA
mname: ns1.smtmdns.com
rname: admin.fortube.com
serial: 2025062703
refresh: 86400
retry: 10800
expire: 604800
minimum-ttl: 300