--- service: i.root-servers.net start-period: '2014-11-26T00:00:00Z' end-period: '2014-11-27T00:00:02Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3143350600 dns-udp-queries-received-ipv6: 226368920 dns-tcp-queries-received-ipv4: 6540512 dns-tcp-queries-received-ipv6: 186871 dns-udp-responses-sent-ipv4: 3094562707 dns-udp-responses-sent-ipv6: 226298751 dns-tcp-responses-sent-ipv4: 6535821 dns-tcp-responses-sent-ipv6: 184268