--- service: j.root-servers.net start-period: '2016-01-06T00:00:00Z' end-period: '2016-01-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3854780807 dns-udp-queries-received-ipv6: 539981312 dns-tcp-queries-received-ipv4: 73566247 dns-tcp-queries-received-ipv6: 2108448 dns-udp-responses-sent-ipv4: 3747820713 dns-udp-responses-sent-ipv6: 542299135 dns-tcp-responses-sent-ipv4: 61888195 dns-tcp-responses-sent-ipv6: 285908