--- service: j.root-servers.net start-period: '2015-03-03T00:00:00Z' end-period: '2015-03-03T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3110803887 dns-udp-queries-received-ipv6: 320641104 dns-tcp-queries-received-ipv4: 27148499 dns-tcp-queries-received-ipv6: 4255530 dns-udp-responses-sent-ipv4: 3122512223 dns-udp-responses-sent-ipv6: 320687886 dns-tcp-responses-sent-ipv4: 27062579 dns-tcp-responses-sent-ipv6: 4033174