Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc@elmundo.com; fo=1

Registro IPv4
host: elmundo.com
class: IN
ttl: 300
type: A
ip: 131.0.136.66

Servidores DNS Principal (mname) y Secundario (rname)
host: elmundo.com
class: IN
ttl: 1800
type: SOA
mname: melissa.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2411278189
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: elmundo.com
class: IN
ttl: 300
type: MX
pri: 10
target: mail.elmundo.com

Información TXT
host: elmundo.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=Gu7XtDULzaRmR0znw_yGy6H6dmo5mCmX0lPwZ_Lw5U4
entries: Array

Información TXT
host: elmundo.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 ip4:131.0.136.66 mx:mail.elmundo.com ~all
entries: Array