Registro IPv4
host: app.docker.com.cdn.cloudflare.net
class: IN
ttl: 300
type: A
ip: 104.18.39.119

Registro IPv4
host: app.docker.com.cdn.cloudflare.net
class: IN
ttl: 300
type: A
ip: 172.64.148.137

Registro CNAME (Alias)
host: app.docker.com
class: IN
ttl: 90
type: CNAME
target: app.docker.com.cdn.cloudflare.net

Registro IPv6
host: app.docker.com.cdn.cloudflare.net
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:440b::ac40:9489

Registro IPv6
host: app.docker.com.cdn.cloudflare.net
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:4406::6812:2777

Registro CNAME (Alias)
host: app.docker.com
class: IN
ttl: 90
type: CNAME
target: app.docker.com.cdn.cloudflare.net