--- service: j.root-servers.net start-period: '2016-04-16T00:00:00Z' end-period: '2016-04-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5261335957 dns-udp-queries-received-ipv6: 691376382 dns-tcp-queries-received-ipv4: 160883804 dns-tcp-queries-received-ipv6: 2606004 dns-udp-responses-sent-ipv4: 4954288003 dns-udp-responses-sent-ipv6: 691053267 dns-tcp-responses-sent-ipv4: 140431454 dns-tcp-responses-sent-ipv6: 318980