Registro IPv4
host: presort.com
class: IN
ttl: 90
type: A
ip: 86.105.245.69

Servidores DNS Principal (mname) y Secundario (rname)
host: presort.com
class: IN
ttl: 3600
type: SOA
mname: ns1.eftydns.com
rname: hostmaster.presort.com
serial: 2026081301
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600