Registro DMARC
v=DMARC1;p=quarantine;rua=mailto:admin@railwaynews.net

Registro IPv4
host: railwaynews.net
class: IN
ttl: 600
type: A
ip: 57.131.29.215

Servidores DNS Principal (mname) y Secundario (rname)
host: railwaynews.net
class: IN
ttl: 21600
type: SOA
mname: ns1.railwaynews.net.railwaynews.net
rname: admin.railwaynews.net
serial: 2025121905
refresh: 7200
retry: 3600
expire: 1209600
minimum-ttl: 180

Servidor de Correo
host: railwaynews.net
class: IN
ttl: 600
type: MX
pri: 10
target: mail.railwaynews.net

Información TXT
host: railwaynews.net
class: IN
ttl: 600
type: TXT
txt: v=spf1 +mx +a +ip4:57.131.29.215 -all
entries: Array