Registro IPv4
host: gnu-darwin.org
class: IN
ttl: 15487
type: A
ip: 69.138.249.22

host: er.gnu-darwin.org
class: IN
ttl: 3724
type: CNAME
target: Gnu-darwin.org

Servidores DNS Principal (mname) y Secundario (rname)
host: gnu-darwin.org
class: IN
ttl: 21173
type: SOA
mname: ns1.mydyndns.org
rname: zone-admin.dyndns.com
serial: 2007072935
refresh: 10800
retry: 1800
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: gnu-darwin.org
class: IN
ttl: 21173
type: MX
pri: 10
target: mail.gnu-darwin.org