--- service: h.root-servers.net metric: traffic-volume start-period: '2015-05-14T00:00:00Z' end-period: '2015-05-14T23:59:59Z' dns-udp-queries-received-ipv4: 898789400 dns-udp-queries-received-ipv6: 65122045 dns-tcp-queries-received-ipv4: 95453 dns-tcp-queries-received-ipv6: 18402 dns-udp-responses-sent-ipv4: 608441851 dns-udp-responses-sent-ipv6: 48282566 dns-tcp-responses-sent-ipv4: 30312 dns-tcp-responses-sent-ipv6: 11764