Registro IPv4
host: sfb2.com
class: IN
ttl: 21600
type: A
ip: 173.212.218.47

Servidores DNS Principal (mname) y Secundario (rname)
host: sfb2.com
class: IN
ttl: 21600
type: SOA
mname: ns1.contabo.net
rname: hostmaster.contabo.de
serial: 2022110302
refresh: 3600
retry: 7200
expire: 2419200
minimum-ttl: 10800

Servidor de Correo
host: sfb2.com
class: IN
ttl: 21600
type: MX
pri: 10
target: mail.sfb2.com