--- service: j.root-servers.net start-period: '2015-02-13T00:00:00Z' end-period: '2015-02-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3197628342 dns-udp-queries-received-ipv6: 292536068 dns-tcp-queries-received-ipv4: 34022402 dns-tcp-queries-received-ipv6: 4150021 dns-udp-responses-sent-ipv4: 3201313804 dns-udp-responses-sent-ipv6: 292654338 dns-tcp-responses-sent-ipv4: 33848436 dns-tcp-responses-sent-ipv6: 3389043