--- service: i.root-servers.net start-period: '2015-10-17T00:00:00Z' end-period: '2015-10-17T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3741026164 dns-udp-queries-received-ipv6: 300585968 dns-tcp-queries-received-ipv4: 31405180 dns-tcp-queries-received-ipv6: 471668 dns-udp-responses-sent-ipv4: 3682242342 dns-udp-responses-sent-ipv6: 300570338 dns-tcp-responses-sent-ipv4: 31404164 dns-tcp-responses-sent-ipv6: 474312