--- service: h.root-servers.net metric: traffic-volume start-period: '2016-07-01T00:00:00Z' end-period: '2016-07-01T23:59:59Z' dns-udp-queries-received-ipv4: 2071794596 dns-udp-queries-received-ipv6: 383932832 dns-tcp-queries-received-ipv4: 327179 dns-tcp-queries-received-ipv6: 506050 dns-udp-responses-sent-ipv4: 2056402404 dns-udp-responses-sent-ipv6: 383890815 dns-tcp-responses-sent-ipv4: 52259 dns-tcp-responses-sent-ipv6: 473142