Registro IPv4
host: swgtf.com
class: IN
ttl: 436
type: A
ip: 218.38.243.28

Registro CNAME (Alias)
host: mail.swgtf.com
class: IN
ttl: 436
type: CNAME
target: swgtf.com

Servidores DNS Principal (mname) y Secundario (rname)
host: swgtf.com
class: IN
ttl: 437
type: SOA
mname: swgtf.com
rname: postmaster.swgtf.com
serial: 20130314
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Registro CNAME (Alias)
host: mail.swgtf.com
class: IN
ttl: 436
type: CNAME
target: swgtf.com