Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:johan@gitbook.io; ruf=mailto:johan@gitbook.io; fo=1; pct=100

Registro IPv4
host: gitbook.io
class: IN
ttl: 300
type: A
ip: 172.64.147.209

Registro IPv4
host: gitbook.io
class: IN
ttl: 300
type: A
ip: 104.18.40.47

Servidores DNS Principal (mname) y Secundario (rname)
host: gitbook.io
class: IN
ttl: 1800
type: SOA
mname: dahlia.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2354971482
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: gitbook.io
class: IN
ttl: 300
type: MX
pri: 30
target: aspmx2.googlemail.com

Servidor de Correo
host: gitbook.io
class: IN
ttl: 300
type: MX
pri: 20
target: alt2.aspmx.l.google.com

Servidor de Correo
host: gitbook.io
class: IN
ttl: 300
type: MX
pri: 30
target: aspmx3.googlemail.com

Servidor de Correo
host: gitbook.io
class: IN
ttl: 300
type: MX
pri: 20
target: alt1.aspmx.l.google.com

Servidor de Correo
host: gitbook.io
class: IN
ttl: 300
type: MX
pri: 10
target: aspmx.l.google.com

Información TXT
host: gitbook.io
class: IN
ttl: 300
type: TXT
txt: google-site-verification=jOO29_Act4pfhfArsLE_txCdET-NuQQyqp1aAG5-H8s
entries: Array

Información TXT
host: gitbook.io
class: IN
ttl: 300
type: TXT
txt: 8277640
entries: Array

Información TXT
host: gitbook.io
class: IN
ttl: 300
type: TXT
txt: v=spf1 a mx include:_spf.google.com include:sendgrid.net include:stspg-customer.com -all
entries: Array

Información TXT
host: gitbook.io
class: IN
ttl: 300
type: TXT
txt: 8lncom12tnn1so22eu2gvaoe9q
entries: Array

Información TXT
host: gitbook.io
class: IN
ttl: 300
type: TXT
txt: google-site-verification=9HmRew5KGY83Wzed-UhP71FdHHbV3qoUKP5h_Jenjeo
entries: Array

Información TXT
host: gitbook.io
class: IN
ttl: 300
type: TXT
txt: google-site-verification=mAI4k7A4RaCrAbrsgv7m8w6VPx0irEHUO3bHYEPPwdI
entries: Array

Registro IPv6
host: gitbook.io
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:4400::6812:282f

Registro IPv6
host: gitbook.io
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:4400::ac40:93d1