Registro IPv4
host: howsci.com
class: IN
ttl: 600
type: A
ip: 74.48.197.16

Servidores DNS Principal (mname) y Secundario (rname)
host: howsci.com
class: IN
ttl: 180
type: SOA
mname: f1g1ns1.dnspod.net
rname: freednsadmin.dnspod.com
serial: 1711458341
refresh: 3600
retry: 180
expire: 1209600
minimum-ttl: 180

Servidor de Correo
host: howsci.com
class: IN
ttl: 600
type: MX
pri: 5
target: mxn.mxhichina.com

Servidor de Correo
host: howsci.com
class: IN
ttl: 600
type: MX
pri: 10
target: mxw.mxhichina.com

Información TXT
host: howsci.com
class: IN
ttl: 600
type: TXT
txt: v=spf1 include:spf.mail.qq.com ~all
entries: Array