Registro IPv4
host: sign-in-china.com
class: IN
ttl: 3600
type: A
ip: 44.202.212.253

Servidores DNS Principal (mname) y Secundario (rname)
host: sign-in-china.com
class: IN
ttl: 600
type: SOA
mname: dns17.hichina.com
rname: hostmaster.hichina.com
serial: 2026010913
refresh: 3600
retry: 1200
expire: 86400
minimum-ttl: 600

Servidor de Correo
host: sign-in-china.com
class: IN
ttl: 600
type: MX
pri: 5
target: mx2.feishu.cn

Servidor de Correo
host: sign-in-china.com
class: IN
ttl: 600
type: MX
pri: 1
target: mx1.feishu.cn

Servidor de Correo
host: sign-in-china.com
class: IN
ttl: 600
type: MX
pri: 10
target: mx3.feishu.cn

Información TXT
host: sign-in-china.com
class: IN
ttl: 600
type: TXT
txt: verification-code-site-App_feishu=JryVfvMEd9dlzpkhmdg5
entries: Array

Información TXT
host: sign-in-china.com
class: IN
ttl: 600
type: TXT
txt: v=spf1 +include:_netblocks.m.feishu.cn -all
entries: Array

Información TXT
host: sign-in-china.com
class: IN
ttl: 600
type: TXT
txt: v=spf1 +include:_netblocks.m.feishu.cn  ~all
entries: Array

Información TXT
host: sign-in-china.com
class: IN
ttl: 600
type: TXT
txt: verification-code-site-App_feishu=EPzQVnjdBtvHNhMjPlWw
entries: Array