Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: tumblrcn.com
class: IN
ttl: 13559
type: A
ip: 162.19.58.172

Servidores DNS Principal (mname) y Secundario (rname)
host: tumblrcn.com
class: IN
ttl: 20760
type: SOA
mname: ns1.symbolhost.com
rname: admin.symbolhost.org
serial: 2026051803
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: tumblrcn.com
class: IN
ttl: 13560
type: MX
pri: 0
target: tumblrcn.com

Información TXT
host: tumblrcn.com
class: IN
ttl: 13560
type: TXT
txt: v=spf1 +a +mx +ip4:162.19.58.172 ~all
entries: Array