--- service: i.root-servers.net start-period: '2014-11-09T00:00:00Z' end-period: '2014-11-10T00:00:11Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2904601303 dns-udp-queries-received-ipv6: 217433268 dns-tcp-queries-received-ipv4: 6502643 dns-tcp-queries-received-ipv6: 165819 dns-udp-responses-sent-ipv4: 2850433301 dns-udp-responses-sent-ipv6: 217360974 dns-tcp-responses-sent-ipv4: 6575291 dns-tcp-responses-sent-ipv6: 165176