--- service: h.root-servers.net metric: traffic-volume start-period: '2015-06-06T00:00:00Z' end-period: '2015-06-06T23:59:59Z' dns-udp-queries-received-ipv4: 908000435 dns-udp-queries-received-ipv6: 79255169 dns-tcp-queries-received-ipv4: 122307 dns-tcp-queries-received-ipv6: 46094 dns-udp-responses-sent-ipv4: 844527505 dns-udp-responses-sent-ipv6: 73016577 dns-tcp-responses-sent-ipv4: 38879 dns-tcp-responses-sent-ipv6: 30208