--- service: i.root-servers.net start-period: '2014-02-24T00:00:00Z' end-period: '2014-02-25T00:00:04Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2636229946 dns-udp-queries-received-ipv6: 179027415 dns-tcp-queries-received-ipv4: 5224587 dns-tcp-queries-received-ipv6: 288589 dns-udp-responses-sent-ipv4: 2572901902 dns-udp-responses-sent-ipv6: 179126821 dns-tcp-responses-sent-ipv4: 5232766 dns-tcp-responses-sent-ipv6: 289553