Registro IPv4
host: sourceguides.com
class: IN
ttl: 10800
type: A
ip: 199.38.85.181

Servidores DNS Principal (mname) y Secundario (rname)
host: sourceguides.com
class: IN
ttl: 10800
type: SOA
mname: syros.sourceguides.com
rname: admin.sourceguides.com
serial: 2020021201
refresh: 3600
retry: 900
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: sourceguides.com
class: IN
ttl: 10800
type: MX
pri: 10
target: mail.sourceguides.com