Registro IPv4
host: ff66.net
class: IN
ttl: 600
type: A
ip: 218.5.113.174

Servidores DNS Principal (mname) y Secundario (rname)
host: ff66.net
class: IN
ttl: 600
type: SOA
mname: dns.bizcn.com
rname: dnscont.dns.bizcn.com
serial: 3
refresh: 28800
retry: 14400
expire: 14400
minimum-ttl: 3600