--- service: h.root-servers.net metric: traffic-volume start-period: '2016-04-08T00:00:00Z' end-period: '2016-04-08T23:59:59Z' dns-udp-queries-received-ipv4: 3003251285 dns-udp-queries-received-ipv6: 278281860 dns-tcp-queries-received-ipv4: 868038 dns-tcp-queries-received-ipv6: 433121 dns-udp-responses-sent-ipv4: 2953326489 dns-udp-responses-sent-ipv6: 278423013 dns-tcp-responses-sent-ipv4: 489243 dns-tcp-responses-sent-ipv6: 396725