Registro DMARC
v=spf1 a:216.124.120.4 ~all

Registro IPv4
host: ictc-chicago.org
class: IN
ttl: 7200
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: ictc-chicago.org
class: IN
ttl: 7200
type: SOA
mname: NS73.WORLDNIC.COM
rname: namehost.WORLDNIC.COM
serial: 118010308
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: ictc-chicago.org
class: IN
ttl: 7200
type: MX
pri: 20
target: cluster9a.us.messagelabs.com

Servidor de Correo
host: ictc-chicago.org
class: IN
ttl: 7200
type: MX
pri: 10
target: cluster9.us.messagelabs.com

Información TXT
host: ictc-chicago.org
class: IN
ttl: 7200
type: TXT
txt: v=spf1 a:216.124.120.4 ~all
entries: Array