Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: freecos.net
class: IN
ttl: 21600
type: A
ip: 157.7.44.168

Servidores DNS Principal (mname) y Secundario (rname)
host: freecos.net
class: IN
ttl: 22286
type: SOA
mname: ns.enpc.co.kr
rname: root.enpc.co.kr
serial: 2012040217
refresh: 21600
retry: 10800
expire: 3600000
minimum-ttl: 86400