Registro IPv4
host: directory-b.com
class: IN
ttl: 300
type: A
ip: 104.21.33.154

Registro IPv4
host: directory-b.com
class: IN
ttl: 300
type: A
ip: 172.67.146.138

Servidores DNS Principal (mname) y Secundario (rname)
host: directory-b.com
class: IN
ttl: 1800
type: SOA
mname: burt.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2351734665
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Registro IPv6
host: directory-b.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3036::ac43:928a

Registro IPv6
host: directory-b.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3034::6815:219a