Registro DMARC
v=DMARC1; p=none; pct=100; rua=mailto:a@dmarc.facebookmail.com;

Registro IPv4
host: i.org
class: IN
ttl: 60
type: A
ip: 157.240.243.14

Servidores DNS Principal (mname) y Secundario (rname)
host: i.org
class: IN
ttl: 3600
type: SOA
mname: a.ns.facebook.com
rname: dns.facebook.com
serial: 4207849484
refresh: 14400
retry: 1800
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: i.org
class: IN
ttl: 7200
type: MX
pri: 10
target: mxb-00082601.gslb.pphosted.com

Servidor de Correo
host: i.org
class: IN
ttl: 7200
type: MX
pri: 10
target: mxa-00082601.gslb.pphosted.com

Información TXT
host: i.org
class: IN
ttl: 7200
type: TXT
txt: v=spf1 ip4:69.171.232.0/24 ip4:192.201.64.23 ip4:69.63.179.25 ip4:69.63.178.128/25 ip4:69.63.184.0/25 ip4:66.220.144.128/25 ip4:66.220.155.128/25 include:_spf.fb.com -all
entries: Array