Registro IPv4
host: sfmex.com
class: IN
ttl: 3600
type: A
ip: 74.208.236.10

Servidores DNS Principal (mname) y Secundario (rname)
host: sfmex.com
class: IN
ttl: 21600
type: SOA
mname: ns57.1and1.com
rname: hostmaster.1and1.com
serial: 2017052612
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: sfmex.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mx00.1and1.com

Servidor de Correo
host: sfmex.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mx01.1and1.com

Información TXT
host: sfmex.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:_spf-us.ionos.com ~all
entries: Array

Registro IPv6
host: sfmex.com
class: IN
ttl: 3600
type: AAAA
ipv6: 2607:f1c0:100f:f000::265