Registro IPv4
host: sys-tc.com
class: IN
ttl: 3600
type: A
ip: 157.7.107.47

Servidores DNS Principal (mname) y Secundario (rname)
host: sys-tc.com
class: IN
ttl: 3600
type: SOA
mname: sys-tc.com
rname: postmaster.sys-tc.com
serial: 1677771460
refresh: 3600
retry: 1800
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: sys-tc.com
class: IN
ttl: 3600
type: MX
pri: 50
target: mx01.lolipop.jp