Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: sdgbooks.com
class: IN
ttl: 14400
type: A
ip: 192.227.171.66

Servidores DNS Principal (mname) y Secundario (rname)
host: sdgbooks.com
class: IN
ttl: 21600
type: SOA
mname: ns29.allsitecontrol.com
rname: noreply.allsitecontrol.com
serial: 2025061400
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

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

Información TXT
host: sdgbooks.com
class: IN
ttl: 14400
type: TXT
txt: v=spf1 +a +mx +ip4:206.217.128.82 ~all
entries: Array