Registro IPv4
host: letrasecores.com
class: IN
ttl: 300
type: A
ip: 172.67.128.122

Registro IPv4
host: letrasecores.com
class: IN
ttl: 300
type: A
ip: 104.21.73.88

Servidores DNS Principal (mname) y Secundario (rname)
host: letrasecores.com
class: IN
ttl: 1800
type: SOA
mname: sharon.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2338107233
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: letrasecores.com
class: IN
ttl: 300
type: MX
pri: 10
target: london.mxroute.com

Servidor de Correo
host: letrasecores.com
class: IN
ttl: 300
type: MX
pri: 20
target: london-relay.mxroute.com

Información TXT
host: letrasecores.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:mxroute.com -all
entries: Array

Registro IPv6
host: letrasecores.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3036::ac43:807a

Registro IPv6
host: letrasecores.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3031::6815:4958