--- service: h.root-servers.net metric: traffic-volume start-period: '2015-09-23T00:00:00Z' end-period: '2015-09-23T23:59:59Z' dns-udp-queries-received-ipv4: 1834858006 dns-udp-queries-received-ipv6: 181529529 dns-tcp-queries-received-ipv4: 227580 dns-tcp-queries-received-ipv6: 334179 dns-udp-responses-sent-ipv4: 1799592904 dns-udp-responses-sent-ipv6: 180084085 dns-tcp-responses-sent-ipv4: 116023 dns-tcp-responses-sent-ipv6: 300877