--- service: i.root-servers.net start-period: '2014-08-08T00:00:00Z' end-period: '2014-08-09T00:00:07Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2850947751 dns-udp-queries-received-ipv6: 204273637 dns-tcp-queries-received-ipv4: 6740840 dns-tcp-queries-received-ipv6: 236815 dns-udp-responses-sent-ipv4: 2794868963 dns-udp-responses-sent-ipv6: 204719126 dns-tcp-responses-sent-ipv4: 6426203 dns-tcp-responses-sent-ipv6: 240912