Registro IPv4
host: greatcourses.de
class: IN
ttl: 4031
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: greatcourses.de
class: IN
ttl: 4031
type: SOA
mname: NS11.WORLDNIC.COM
rname: namehost.WORLDNIC.COM
serial: 112021114
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: greatcourses.de
class: IN
ttl: 4032
type: MX
pri: 20
target: cctldmail.networksolutions.com