Registro IPv4
host: i-courses.org
class: IN
ttl: 300
type: A
ip: 104.21.12.132

Registro IPv4
host: i-courses.org
class: IN
ttl: 300
type: A
ip: 172.67.152.108

Servidores DNS Principal (mname) y Secundario (rname)
host: i-courses.org
class: IN
ttl: 1800
type: SOA
mname: lorna.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2406673231
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Registro IPv6
host: i-courses.org
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3033::6815:c84

Registro IPv6
host: i-courses.org
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3036::ac43:986c