Registro IPv4
host: fw21.cn
class: IN
ttl: 300
type: A
ip: 188.114.96.5

Registro IPv4
host: fw21.cn
class: IN
ttl: 300
type: A
ip: 188.114.97.5

Servidores DNS Principal (mname) y Secundario (rname)
host: fw21.cn
class: IN
ttl: 1800
type: SOA
mname: alexia.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2406041247
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Registro IPv6
host: fw21.cn
class: IN
ttl: 300
type: AAAA
ipv6: 2a06:98c1:3121::5

Registro IPv6
host: fw21.cn
class: IN
ttl: 300
type: AAAA
ipv6: 2a06:98c1:3120::5