--- service: i.root-servers.net start-period: '2014-08-14T00:00:00Z' end-period: '2014-08-15T00:00:03Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2984735672 dns-udp-queries-received-ipv6: 219194254 dns-tcp-queries-received-ipv4: 7403489 dns-tcp-queries-received-ipv6: 261226 dns-udp-responses-sent-ipv4: 2930663310 dns-udp-responses-sent-ipv6: 219099096 dns-tcp-responses-sent-ipv4: 6860574 dns-tcp-responses-sent-ipv6: 263178