--- service: i.root-servers.net start-period: '2014-10-28T00:00:00Z' end-period: '2014-10-29T00:00:08Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3425318734 dns-udp-queries-received-ipv6: 239348451 dns-tcp-queries-received-ipv4: 10174673 dns-tcp-queries-received-ipv6: 211641 dns-udp-responses-sent-ipv4: 3368618123 dns-udp-responses-sent-ipv6: 243293848 dns-tcp-responses-sent-ipv4: 10249758 dns-tcp-responses-sent-ipv6: 210429