Registro IPv4
host: yhzt.com
class: IN
ttl: 900
type: A
ip: 122.114.5.145

Servidores DNS Principal (mname) y Secundario (rname)
host: yhzt.com
class: IN
ttl: 600
type: SOA
mname: dns.4cun.com
rname: admin.yhzt.com
serial: 1739856611
refresh: 3600
retry: 180
expire: 1209600
minimum-ttl: 600