Registro IPv4
host: uln.su
class: IN
ttl: 3600
type: A
ip: 95.81.121.18

Servidores DNS Principal (mname) y Secundario (rname)
host: uln.su
class: IN
ttl: 3600
type: SOA
mname: firstbytedns.net
rname: tech.firstbytedns.net
serial: 2026020701
refresh: 3600
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: uln.su
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.uln.su

Servidor de Correo
host: uln.su
class: IN
ttl: 3600
type: MX
pri: 20
target: mail.uln.su