Registro IPv4
host: DUOLCI.NET
class: IN
ttl: 10800
type: A
ip: 144.91.90.175

Servidores DNS Principal (mname) y Secundario (rname)
host: DUOLCI.NET
class: IN
ttl: 3600
type: SOA
mname: 1-you.njalla.no
rname: you.can-get-no.info
serial: 2026071913
refresh: 21600
retry: 7200
expire: 1814400
minimum-ttl: 3600