Registro DMARC
v=DMARC1; p=none; rua=mailto:support@add-groups.com

Registro IPv4
host: add-groups.com
class: IN
ttl: 300
type: A
ip: 5.45.114.97

Servidores DNS Principal (mname) y Secundario (rname)
host: add-groups.com
class: IN
ttl: 1800
type: SOA
mname: adrian.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2415294475
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: add-groups.com
class: IN
ttl: 300
type: MX
pri: 10
target: mail.tgreef.com

Información TXT
host: add-groups.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 ip4:5.45.120.128 -all
entries: Array

Información TXT
host: add-groups.com
class: IN
ttl: 300
type: TXT
txt: fk-verify=78e7e6d9839227dd19ca3c75b13b05bd
entries: Array