Registro DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:netflix@rua.netcraft.com; ruf=mailto:netflix@ruf.netcraft.com

Registro IPv4
host: fast.com
class: IN
ttl: 19
type: A
ip: 23.55.149.37

Servidores DNS Principal (mname) y Secundario (rname)
host: fast.com
class: IN
ttl: 3600
type: SOA
mname: a1-242.akam.net
rname: nicadmin.netflix.com
serial: 27
refresh: 3600
retry: 600
expire: 604800
minimum-ttl: 1800

Información TXT
host: fast.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 -all
entries: Array

Información TXT
host: fast.com
class: IN
ttl: 300
type: TXT
txt: 88749490e4fe4905aa126cc035167fb2
entries: Array