Registro IPv4
host: operativestest.com
class: IN
ttl: 14400
type: A
ip: 77.72.2.153

Servidores DNS Principal (mname) y Secundario (rname)
host: operativestest.com
class: IN
ttl: 86400
type: SOA
mname: ns1.krystal.uk
rname: admin.demo.p153.lon.krystal.io
serial: 2026080803
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: operativestest.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mx1.krystal.io

Servidor de Correo
host: operativestest.com
class: IN
ttl: 3600
type: MX
pri: 20
target: mx2.krystal.io

Información TXT
host: operativestest.com
class: IN
ttl: 14400
type: TXT
txt: v=spf1 ip4:77.72.2.153 include:relay.k.io ip4:77.72.0.226 a mx ip4:77.72.2.17 ~all
entries: Array