--- service: i.root-servers.net start-period: '2014-06-05T00:00:00Z' end-period: '2014-06-06T00:00:06Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2775642734 dns-udp-queries-received-ipv6: 248098512 dns-tcp-queries-received-ipv4: 6417243 dns-tcp-queries-received-ipv6: 247537 dns-udp-responses-sent-ipv4: 2717083360 dns-udp-responses-sent-ipv6: 247759517 dns-tcp-responses-sent-ipv4: 6644450 dns-tcp-responses-sent-ipv6: 250012