Servidores DNS Principal (mname) y Secundario (rname)
host: sfr.net
class: IN
ttl: 21600
type: SOA
mname: nspriprov.dns.sfr.net
rname: support.dns.sfr.net
serial: 2024061101
refresh: 10800
retry: 3600
expire: 1814400
minimum-ttl: 86400

Servidor de Correo
host: sfr.net
class: IN
ttl: 21600
type: MX
pri: 10
target: smtp-in.sfr.fr

Información TXT
host: sfr.net
class: IN
ttl: 21600
type: TXT
txt: v=spf1 ip4:93.17.128.0/24 ?all
entries: Array