Registro IPv4
host: biz.doctor
class: IN
ttl: 1161
type: A
ip: 172.234.212.77

Registro IPv4
host: biz.doctor
class: IN
ttl: 1161
type: A
ip: 172.239.193.194

Registro IPv4
host: biz.doctor
class: IN
ttl: 1161
type: A
ip: 172.236.103.15

Servidores DNS Principal (mname) y Secundario (rname)
host: biz.doctor
class: IN
ttl: 90
type: SOA
mname: ns1.parklogic.com
rname: hostmaster.biz.doctor
serial: 1
refresh: 3600
retry: 7200
expire: 1209600
minimum-ttl: 60