Registro IPv4
host: cdn-content.ampproject.org
class: IN
ttl: 157
type: A
ip: 172.217.168.161

host: www-youtube-com.cdn.ampproject.org
class: IN
ttl: 300
type: CNAME
target: cdn-content.ampproject.org

Registro IPv6
host: cdn-content.ampproject.org
class: IN
ttl: 234
type: AAAA
ipv6: 2a00:1450:4003:808::2001