--- service: i.root-servers.net start-period: '2014-02-01T00:00:00Z' end-period: '2014-02-02T00:00:05Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2044210912 dns-udp-queries-received-ipv6: 151224244 dns-tcp-queries-received-ipv4: 4794468 dns-tcp-queries-received-ipv6: 257080 dns-udp-responses-sent-ipv4: 1998628286 dns-udp-responses-sent-ipv6: 151384129 dns-tcp-responses-sent-ipv4: 4779755 dns-tcp-responses-sent-ipv6: 260952