Registro IPv4
host: pagead46.l.doubleclick.net
class: IN
ttl: 300
type: A
ip: 216.58.204.194

Registro CNAME (Alias)
host: adservice.google.it
class: IN
ttl: 300
type: CNAME
target: pagead46.l.doubleclick.net

Registro IPv6
host: pagead46.l.doubleclick.net
class: IN
ttl: 300
type: AAAA
ipv6: 2a00:1450:4003:809::2002

Registro CNAME (Alias)
host: adservice.google.it
class: IN
ttl: 300
type: CNAME
target: pagead46.l.doubleclick.net