Registro IPv4
host: classa.bg
class: IN
ttl: 86400
type: A
ip: 91.212.13.153

Servidores DNS Principal (mname) y Secundario (rname)
host: classa.bg
class: IN
ttl: 7200
type: SOA
mname: ns154.classa.bg
rname: hostmaster.classa.bg
serial: 2021071302
refresh: 129600
retry: 86400
expire: 2419200
minimum-ttl: 216000

Servidor de Correo
host: classa.bg
class: IN
ttl: 7200
type: MX
pri: 10
target: pmg.witmind.com

Servidor de Correo
host: classa.bg
class: IN
ttl: 7200
type: MX
pri: 15
target: mail1.classa.bg

Información TXT
host: classa.bg
class: IN
ttl: 86400
type: TXT
txt: v=spf1 mx -all
entries: Array