--- service: i.root-servers.net start-period: '2013-10-29T00:00:00Z' end-period: '2013-10-30T00:00:05Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2306865771 dns-udp-queries-received-ipv6: 120965093 dns-tcp-queries-received-ipv4: 4429038 dns-tcp-queries-received-ipv6: 220987 dns-udp-responses-sent-ipv4: 2378388976 dns-udp-responses-sent-ipv6: 127825380 dns-tcp-responses-sent-ipv4: 4421505 dns-tcp-responses-sent-ipv6: 229222