Registro DMARC
v=DMARC1; p=none; rua=mailto:42c49d9b4a484188a99b6a9a589b8d25@dmarc-reports.cloudflare.net;

Registro IPv4
host: readthedocs.org
class: IN
ttl: 300
type: A
ip: 104.18.6.29

Registro IPv4
host: readthedocs.org
class: IN
ttl: 300
type: A
ip: 104.18.7.29

Servidores DNS Principal (mname) y Secundario (rname)
host: readthedocs.org
class: IN
ttl: 1800
type: SOA
mname: ivan.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2356792512
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: readthedocs.org
class: IN
ttl: 300
type: MX
pri: 1
target: aspmx.l.google.com

Servidor de Correo
host: readthedocs.org
class: IN
ttl: 300
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Servidor de Correo
host: readthedocs.org
class: IN
ttl: 300
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Información TXT
host: readthedocs.org
class: IN
ttl: 300
type: TXT
txt: google-site-verification=-GDxsd6bay3wIn9zgT0lG0397PpmQMBKzP_W6B9oSxM
entries: Array

Información TXT
host: readthedocs.org
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:_spf.mlsend.com include:_spf.google.com ~all
entries: Array

Registro IPv6
host: readthedocs.org
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700::6812:61d

Registro IPv6
host: readthedocs.org
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700::6812:71d