Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc-rua@fsf.org

Registro IPv4
host: gnu.org
class: IN
ttl: 1021
type: A
ip: 209.51.188.116

Servidores DNS Principal (mname) y Secundario (rname)
host: gnu.org
class: IN
ttl: 1800
type: SOA
mname: ns1.gnu.org
rname: hostmaster.gnu.org
serial: 2024091203
refresh: 3600
retry: 120
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: gnu.org
class: IN
ttl: 1800
type: MX
pri: 10
target: eggs.gnu.org

Información TXT
host: gnu.org
class: IN
ttl: 1445
type: TXT
txt: v=spf1 ip4:209.51.188.0/24 ip4:74.94.156.208/28 ip6:2001:470:142::/48 ip6:2603:3005:71a:2e00::/64 ~all
entries: Array

Registro IPv6
host: gnu.org
class: IN
ttl: 921
type: AAAA
ipv6: 2001:470:142:5::116