--- service: h.root-servers.net metric: traffic-volume start-period: '2015-07-01T00:00:00Z' end-period: '2015-07-01T23:59:59Z' dns-udp-queries-received-ipv4: 840807953 dns-udp-queries-received-ipv6: 82276193 dns-tcp-queries-received-ipv4: 133800 dns-tcp-queries-received-ipv6: 46465 dns-udp-responses-sent-ipv4: 800672127 dns-udp-responses-sent-ipv6: 75695006 dns-tcp-responses-sent-ipv4: 46476 dns-tcp-responses-sent-ipv6: 30471