--- service: h.root-servers.net metric: traffic-volume start-period: '2016-04-25T00:00:00Z' end-period: '2016-04-25T23:59:59Z' dns-udp-queries-received-ipv4: 3011938793 dns-udp-queries-received-ipv6: 312280133 dns-tcp-queries-received-ipv4: 815363 dns-tcp-queries-received-ipv6: 299354 dns-udp-responses-sent-ipv4: 2948501619 dns-udp-responses-sent-ipv6: 175063489 dns-tcp-responses-sent-ipv4: 492612 dns-tcp-responses-sent-ipv6: 259730