--- service: j.root-servers.net start-period: '2015-11-28T00:00:00Z' end-period: '2015-11-28T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4040625926 dns-udp-queries-received-ipv6: 537607404 dns-tcp-queries-received-ipv4: 76003178 dns-tcp-queries-received-ipv6: 1765779 dns-udp-responses-sent-ipv4: 3768335194 dns-udp-responses-sent-ipv6: 542107656 dns-tcp-responses-sent-ipv4: 74446330 dns-tcp-responses-sent-ipv6: 310887