Registro IPv4
host: 900.md
class: IN
ttl: 3600
type: A
ip: 136.243.23.158

Servidores DNS Principal (mname) y Secundario (rname)
host: 900.md
class: IN
ttl: 3600
type: SOA
mname: ns1.900.md
rname: postmaster.900.md
serial: 2016031620
refresh: 14400
retry: 7200
expire: 2419200
minimum-ttl: 86400

Servidor de Correo
host: 900.md
class: IN
ttl: 3600
type: MX
pri: 10
target: emx.mail.ru

Información TXT
host: 900.md
class: IN
ttl: 3600
type: TXT
txt: v=spf1 redirect=_spf.mail.ru
entries: Array