Registro DMARC
v=DMARC1; p=quarantine; pct=100;rua=mailto:dmarc@tk20.com

Registro IPv4
host: tk20.com
class: IN
ttl: 300
type: A
ip: 34.198.24.3

Servidores DNS Principal (mname) y Secundario (rname)
host: tk20.com
class: IN
ttl: 900
type: SOA
mname: ns-672.awsdns-20.net
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: tk20.com
class: IN
ttl: 300
type: MX
pri: 30
target: alt2.aspmx.l.google.com

Servidor de Correo
host: tk20.com
class: IN
ttl: 300
type: MX
pri: 40
target: aspmx2.googlemail.com

Servidor de Correo
host: tk20.com
class: IN
ttl: 300
type: MX
pri: 50
target: aspmx3.googlemail.com

Servidor de Correo
host: tk20.com
class: IN
ttl: 300
type: MX
pri: 10
target: aspmx.l.google.com

Servidor de Correo
host: tk20.com
class: IN
ttl: 300
type: MX
pri: 20
target: alt1.aspmx.l.google.com

Información TXT
host: tk20.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:_spf.google.com include:mail.zendesk.com ip4:54.221.113.116 ip4:3.230.80.180 ip4:3.209.136.136 ip4:3.222.163.189 ip4:52.22.92.184 ip4:18.214.202.42 ip4:3.17.21.10 ~all
entries: Array