--- service: i.root-servers.net start-period: '2016-02-25T00:00:00Z' end-period: '2016-02-26T00:00:01Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4737877019 dns-udp-queries-received-ipv6: 424295369 dns-tcp-queries-received-ipv4: 13476568 dns-tcp-queries-received-ipv6: 1178865 dns-udp-responses-sent-ipv4: 4668603788 dns-udp-responses-sent-ipv6: 423825756 dns-tcp-responses-sent-ipv4: 13174200 dns-tcp-responses-sent-ipv6: 1180492