Registro DMARC
v=DMARC1; p=reject; pct=100;

Registro IPv4
host: fbcs-inc.biz
class: IN
ttl: 14400
type: A
ip: 208.91.197.39

Servidores DNS Principal (mname) y Secundario (rname)
host: fbcs-inc.biz
class: IN
ttl: 7200
type: SOA
mname: DNS101.REGISTER.COM
rname: root.REGISTER.COM
serial: 120042815
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: fbcs-inc.biz
class: IN
ttl: 14400
type: MX
pri: 10
target: ce-alt-msgin.ltrremail.com

Servidor de Correo
host: fbcs-inc.biz
class: IN
ttl: 14400
type: MX
pri: 10
target: ce-msgin.ltrremail.com

Información TXT
host: fbcs-inc.biz
class: IN
ttl: 14400
type: TXT
txt: v=spf1 include:_spf.ltrremail.com -all
entries: Array