--- service: h.root-servers.net metric: traffic-volume start-period: '2016-02-13T00:00:00Z' end-period: '2016-02-13T23:59:59Z' dns-udp-queries-received-ipv4: 2770156736 dns-udp-queries-received-ipv6: 242436947 dns-tcp-queries-received-ipv4: 558958 dns-tcp-queries-received-ipv6: 447467 dns-udp-responses-sent-ipv4: 2584966464 dns-udp-responses-sent-ipv6: 242155731 dns-tcp-responses-sent-ipv4: 310091 dns-tcp-responses-sent-ipv6: 403776