Registro IPv4
host: doctorbg.com
class: IN
ttl: 38400
type: A
ip: 195.234.138.17

Servidores DNS Principal (mname) y Secundario (rname)
host: doctorbg.com
class: IN
ttl: 38400
type: SOA
mname: ns1.calderra.com
rname: root.ns1.calderra.com
serial: 2020012200
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 38400

Servidor de Correo
host: doctorbg.com
class: IN
ttl: 38400
type: MX
pri: 5
target: mail.doctorbg.com

Información TXT
host: doctorbg.com
class: IN
ttl: 38400
type: TXT
txt: v=spf1 a mx a:doctorbg.com ip4:195.234.138.17 -all
entries: Array