--- service: j.root-servers.net start-period: '2016-08-21T00:00:00Z' end-period: '2016-08-21T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5697443916 dns-udp-queries-received-ipv6: 738479550 dns-tcp-queries-received-ipv4: 184202864 dns-tcp-queries-received-ipv6: 4479580 dns-udp-responses-sent-ipv4: 5587928515 dns-udp-responses-sent-ipv6: 740481559 dns-tcp-responses-sent-ipv4: 150116351 dns-tcp-responses-sent-ipv6: 2961333