Registro IPv4
host: test-opt.ru
class: IN
ttl: 900
type: A
ip: 178.170.243.37

Servidores DNS Principal (mname) y Secundario (rname)
host: test-opt.ru
class: IN
ttl: 900
type: SOA
mname: red42979.rdock.ru
rname: root.red42979.rdock.ru
serial: 2021090602
refresh: 86400
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: test-opt.ru
class: IN
ttl: 900
type: MX
pri: 10
target: mx.yandex.net

Información TXT
host: test-opt.ru
class: IN
ttl: 900
type: TXT
txt: v=spf1 ip4:178.170.243.37 a mx ~all
entries: Array