Registro IPv4
host: ptv.is
class: IN
ttl: 120
type: A
ip: 88.135.69.66

Servidores DNS Principal (mname) y Secundario (rname)
host: ptv.is
class: IN
ttl: 1800
type: SOA
mname: adi.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2391887202
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800