--- service: j.root-servers.net start-period: '2014-01-27T00:00:00Z' end-period: '2014-01-27T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2775294711 dns-udp-queries-received-ipv6: 216698673 dns-tcp-queries-received-ipv4: 24632533 dns-tcp-queries-received-ipv6: 4173284 dns-udp-responses-sent-ipv4: 2764301661 dns-udp-responses-sent-ipv6: 216695506 dns-tcp-responses-sent-ipv4: 22893895 dns-tcp-responses-sent-ipv6: 206