--- service: j.root-servers.net start-period: '2015-09-08T00:00:00Z' end-period: '2015-09-08T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4822539870 dns-udp-queries-received-ipv6: 282573979 dns-tcp-queries-received-ipv4: 65723867 dns-tcp-queries-received-ipv6: 20303665 dns-udp-responses-sent-ipv4: 3773904625 dns-udp-responses-sent-ipv6: 283386303 dns-tcp-responses-sent-ipv4: 63614819 dns-tcp-responses-sent-ipv6: 18505752