Registro IPv4
host: isc.sans.edu
class: IN
ttl: 90
type: A
ip: 45.60.31.34

Registro IPv4
host: isc.sans.edu
class: IN
ttl: 90
type: A
ip: 45.60.103.34

Servidor de Correo
host: isc.sans.edu
class: IN
ttl: 90
type: MX
pri: 20
target: mail-1b.dshield.org

Servidor de Correo
host: isc.sans.edu
class: IN
ttl: 90
type: MX
pri: 10
target: mail-1a.dshield.org

Información TXT
host: isc.sans.edu
class: IN
ttl: 7200
type: TXT
txt: v=spf1 include:isc.sans.edu._nspf.vali.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
entries: Array