--- service: h.root-servers.net metric: traffic-volume start-period: '2016-06-23T00:00:00Z' end-period: '2016-06-23T23:59:59Z' dns-udp-queries-received-ipv4: 2137350556 dns-udp-queries-received-ipv6: 410218046 dns-tcp-queries-received-ipv4: 337232 dns-tcp-queries-received-ipv6: 598124 dns-udp-responses-sent-ipv4: 2119787481 dns-udp-responses-sent-ipv6: 410171631 dns-tcp-responses-sent-ipv4: 55258 dns-tcp-responses-sent-ipv6: 559351