--- service: j.root-servers.net start-period: '2013-10-01T00:00:00Z' end-period: '2013-10-01T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 1932783813 dns-udp-queries-received-ipv6: 137495874 dns-tcp-queries-received-ipv4: 16233260 dns-tcp-queries-received-ipv6: 1977152 dns-udp-responses-sent-ipv4: 1926422403 dns-udp-responses-sent-ipv6: 137644442 dns-tcp-responses-sent-ipv4: 15615838 dns-tcp-responses-sent-ipv6: 314930