--- service: h.root-servers.net metric: traffic-volume start-period: '2016-03-22T00:00:00Z' end-period: '2016-03-22T23:59:59Z' dns-udp-queries-received-ipv4: 3077139565 dns-udp-queries-received-ipv6: 300782764 dns-tcp-queries-received-ipv4: 715488 dns-tcp-queries-received-ipv6: 734919 dns-udp-responses-sent-ipv4: 2989404392 dns-udp-responses-sent-ipv6: 300870530 dns-tcp-responses-sent-ipv4: 487671 dns-tcp-responses-sent-ipv6: 677335