Registro DMARC
v=DMARC1; p=quarantine

Registro IPv4
host: b3.com
class: IN
ttl: 516912
type: A
ip: 104.21.76.188

Registro IPv4
host: b3.com
class: IN
ttl: 516912
type: A
ip: 172.67.199.112

Servidores DNS Principal (mname) y Secundario (rname)
host: b3.com
class: IN
ttl: 516912
type: SOA
mname: amir.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2417748360
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: b3.com
class: IN
ttl: 516912
type: MX
pri: 20
target: mailsec.protonmail.ch

Servidor de Correo
host: b3.com
class: IN
ttl: 516912
type: MX
pri: 10
target: mail.protonmail.ch

Información TXT
host: b3.com
class: IN
ttl: 516912
type: TXT
txt: v=spf1 include:_spf.protonmail.ch mx ~all
entries: Array

Información TXT
host: b3.com
class: IN
ttl: 516912
type: TXT
txt: protonmail-verification=986a7052675562260318f8fbd6713f5f93a9678c
entries: Array

Registro IPv6
host: b3.com
class: IN
ttl: 516912
type: AAAA
ipv6: 2606:4700:3036::6815:4cbc

Registro IPv6
host: b3.com
class: IN
ttl: 516912
type: AAAA
ipv6: 2606:4700:3034::ac43:c770