--- service: i.root-servers.net start-period: '2016-03-24T00:00:00Z' end-period: '2016-03-24T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4874090658 dns-udp-queries-received-ipv6: 432210709 dns-tcp-queries-received-ipv4: 21237224 dns-tcp-queries-received-ipv6: 853700 dns-udp-responses-sent-ipv4: 4786994382 dns-udp-responses-sent-ipv6: 444568631 dns-tcp-responses-sent-ipv4: 20932729 dns-tcp-responses-sent-ipv6: 861683