--- service: j.root-servers.net start-period: '2013-11-22T00:00:00Z' end-period: '2013-11-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2415922908 dns-udp-queries-received-ipv6: 137429834 dns-tcp-queries-received-ipv4: 23022140 dns-tcp-queries-received-ipv6: 3897082 dns-udp-responses-sent-ipv4: 2408251464 dns-udp-responses-sent-ipv6: 137398184 dns-tcp-responses-sent-ipv4: 21693165 dns-tcp-responses-sent-ipv6: 55512