--- service: h.root-servers.net metric: traffic-volume start-period: '2016-04-11T00:00:00Z' end-period: '2016-04-11T23:59:59Z' dns-udp-queries-received-ipv4: 2975020993 dns-udp-queries-received-ipv6: 288166394 dns-tcp-queries-received-ipv4: 769525 dns-tcp-queries-received-ipv6: 440900 dns-udp-responses-sent-ipv4: 2931116308 dns-udp-responses-sent-ipv6: 288241004 dns-tcp-responses-sent-ipv4: 420958 dns-tcp-responses-sent-ipv6: 403019