Registro IPv4
host: difreios.com.br
class: IN
ttl: 1800
type: A
ip: 187.17.111.57

Servidores DNS Principal (mname) y Secundario (rname)
host: difreios.com.br
class: IN
ttl: 1800
type: SOA
mname: ns1.dominios.uol.com.br
rname: admin.uolhost.com.br
serial: 2024091700
refresh: 43200
retry: 3600
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: difreios.com.br
class: IN
ttl: 1800
type: MX
pri: 10
target: mx.uhserver.com

Información TXT
host: difreios.com.br
class: IN
ttl: 1800
type: TXT
txt: v=spf1 include:spf.whservidor.com ?all
entries: Array