Registro IPv4
host: itmop.com
class: IN
ttl: 180
type: A
ip: 219.153.159.166

Servidores DNS Principal (mname) y Secundario (rname)
host: itmop.com
class: IN
ttl: 1800
type: SOA
mname: jason.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2404399037
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: itmop.com
class: IN
ttl: 600
type: MX
pri: 5
target: mx2.feishu.cn

Servidor de Correo
host: itmop.com
class: IN
ttl: 600
type: MX
pri: 10
target: mx3.feishu.cn

Servidor de Correo
host: itmop.com
class: IN
ttl: 600
type: MX
pri: 1
target: mx1.feishu.cn