--- service: h.root-servers.net metric: traffic-volume start-period: '2015-07-29T00:00:00Z' end-period: '2015-07-29T23:59:59Z' dns-udp-queries-received-ipv4: 1382840694 dns-udp-queries-received-ipv6: 102163791 dns-tcp-queries-received-ipv4: 213863 dns-tcp-queries-received-ipv6: 37763 dns-udp-responses-sent-ipv4: 1166217346 dns-udp-responses-sent-ipv6: 100563731 dns-tcp-responses-sent-ipv4: 58093 dns-tcp-responses-sent-ipv6: 18600