Registro IPv4
host: coatexpo.cn
class: IN
ttl: 120
type: A
ip: 120.78.188.60

Servidores DNS Principal (mname) y Secundario (rname)
host: coatexpo.cn
class: IN
ttl: 600
type: SOA
mname: dns.bizcn.com
rname: dnscont.dns.bizcn.com
serial: 13
refresh: 28800
retry: 14400
expire: 14400
minimum-ttl: 3600