Servidores DNS Principal (mname) y Secundario (rname)
host: ultrasemi.com
class: IN
ttl: 3600
type: SOA
mname: peanutmail.newpeanut.idc
rname: domain_admin.oray.cn
serial: 142989
refresh: 900
retry: 600
expire: 86400
minimum-ttl: 3600

Servidor de Correo
host: ultrasemi.com
class: IN
ttl: 3600
type: MX
pri: 5
target: mxbiz1.qq.com

Servidor de Correo
host: ultrasemi.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mxbiz2.qq.com

Información TXT
host: ultrasemi.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.mail.qq.com ~all
entries: Array