--- service: h.root-servers.net metric: traffic-volume start-period: '2015-04-25T00:00:00Z' end-period: '2015-04-25T23:59:59Z' dns-udp-queries-received-ipv4: 838723700 dns-udp-queries-received-ipv6: 84076602 dns-tcp-queries-received-ipv4: 201261 dns-tcp-queries-received-ipv6: 57209 dns-udp-responses-sent-ipv4: 801264945 dns-udp-responses-sent-ipv6: 78454503 dns-tcp-responses-sent-ipv4: 56907 dns-tcp-responses-sent-ipv6: 40745