Registro DMARC
v=DMARC1; p=reject; rua=mailto:dmarc@frederickburg.com; ruf=mailto:dmarc@frederickburg.com; adkim=r; aspf=s; pct=100; rf=afrf; ri=86400; sp=reject

Registro IPv4
host: frederickburg.com
class: IN
ttl: 3600
type: A
ip: 51.161.40.228

Servidores DNS Principal (mname) y Secundario (rname)
host: frederickburg.com
class: IN
ttl: 3600
type: SOA
mname: dns.frederickburg.com
rname: hostmaster.frederickburg.com
serial: 1756982123
refresh: 43200
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: frederickburg.com
class: IN
ttl: 3600
type: MX
pri: 0
target: mx.frederickburg.com

Información TXT
host: frederickburg.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a:dns.frederickburg.com include:sptci.net -all
entries: Array