Registro DMARC
v=spf1 include:_spf.google.com   ~all

Registro IPv4
host: ndktechnology.com
class: IN
ttl: 14400
type: A
ip: 173.209.32.3

Servidores DNS Principal (mname) y Secundario (rname)
host: ndktechnology.com
class: IN
ttl: 21600
type: SOA
mname: ns1.whc.ca
rname: sysadmin-internal.whc.ca
serial: 2026072600
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: ndktechnology.com
class: IN
ttl: 14400
type: MX
pri: 0
target: ndktechnology.com

Información TXT
host: ndktechnology.com
class: IN
ttl: 14400
type: TXT
txt: v=spf1 +a +mx +ip4:173.209.32.2 ~all
entries: Array