Registro IPv4
host: pingfree.com
class: IN
ttl: 600
type: A
ip: 31.220.43.82

Servidores DNS Principal (mname) y Secundario (rname)
host: pingfree.com
class: IN
ttl: 3600
type: SOA
mname: ns35.domaincontrol.com
rname: dns.jomax.net
serial: 2017090909
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 600

Servidor de Correo
host: pingfree.com
class: IN
ttl: 3600
type: MX
pri: 5
target: mail.pingfree.com