--- service: j.root-servers.net start-period: '2016-12-09T00:00:00Z' end-period: '2016-12-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6553375228 dns-udp-queries-received-ipv6: 607811635 dns-tcp-queries-received-ipv4: 233923114 dns-tcp-queries-received-ipv6: 12262596 dns-udp-responses-sent-ipv4: 6438469133 dns-udp-responses-sent-ipv6: 610905148 dns-tcp-responses-sent-ipv4: 202983403 dns-tcp-responses-sent-ipv6: 12212555