--- service: j.root-servers.net start-period: '2013-10-16T00:00:00Z' end-period: '2013-10-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2019380210 dns-udp-queries-received-ipv6: 144610160 dns-tcp-queries-received-ipv4: 17773106 dns-tcp-queries-received-ipv6: 3395941 dns-udp-responses-sent-ipv4: 2011354582 dns-udp-responses-sent-ipv6: 144581418 dns-tcp-responses-sent-ipv4: 18798298 dns-tcp-responses-sent-ipv6: 87039