Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:emailreports@doc4design.com;

Registro IPv4
host: doc4design.com
class: IN
ttl: 300
type: A
ip: 104.21.74.251

Registro IPv4
host: doc4design.com
class: IN
ttl: 300
type: A
ip: 172.67.209.16

Servidores DNS Principal (mname) y Secundario (rname)
host: doc4design.com
class: IN
ttl: 1800
type: SOA
mname: josephine.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2343666698
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: doc4design.com
class: IN
ttl: 300
type: MX
pri: 10
target: mx1.us.opalstack.com

Servidor de Correo
host: doc4design.com
class: IN
ttl: 300
type: MX
pri: 10
target: mx2.us.opalstack.com

Información TXT
host: doc4design.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:spf.opalstack.com ~all
entries: Array

Registro IPv6
host: doc4design.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3033::ac43:d110

Registro IPv6
host: doc4design.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3031::6815:4afb