--- service: h.root-servers.net metric: traffic-volume start-period: '2016-02-15T00:00:00Z' end-period: '2016-02-15T23:59:59Z' dns-udp-queries-received-ipv4: 3004938828 dns-udp-queries-received-ipv6: 250886026 dns-tcp-queries-received-ipv4: 683314 dns-tcp-queries-received-ipv6: 370098 dns-udp-responses-sent-ipv4: 2807369175 dns-udp-responses-sent-ipv6: 250677638 dns-tcp-responses-sent-ipv4: 467858 dns-tcp-responses-sent-ipv6: 332072