Registro IPv4
host: 2021directory.com
class: IN
ttl: 300
type: A
ip: 104.21.92.129

Registro IPv4
host: 2021directory.com
class: IN
ttl: 300
type: A
ip: 172.67.194.34

Servidores DNS Principal (mname) y Secundario (rname)
host: 2021directory.com
class: IN
ttl: 1800
type: SOA
mname: burt.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2356806016
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Registro IPv6
host: 2021directory.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3033::ac43:c222

Registro IPv6
host: 2021directory.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3036::6815:5c81