--- service: h.root-servers.net metric: traffic-volume start-period: '2015-08-14T00:00:00Z' end-period: '2015-08-14T23:59:59Z' dns-udp-queries-received-ipv4: 2240638059 dns-udp-queries-received-ipv6: 175036125 dns-tcp-queries-received-ipv4: 207202 dns-tcp-queries-received-ipv6: 213432 dns-udp-responses-sent-ipv4: 1926180004 dns-udp-responses-sent-ipv6: 174746031 dns-tcp-responses-sent-ipv4: 89836 dns-tcp-responses-sent-ipv6: 189248