--- service: j.root-servers.net start-period: '2013-12-11T00:00:00Z' end-period: '2013-12-11T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 2553438822 dns-udp-queries-received-ipv6: 149636782 dns-tcp-queries-received-ipv4: 23740926 dns-tcp-queries-received-ipv6: 4085214 dns-udp-responses-sent-ipv4: 2548195488 dns-udp-responses-sent-ipv6: 149584423 dns-tcp-responses-sent-ipv4: 22231469 dns-tcp-responses-sent-ipv6: 104