--- service: j.root-servers.net start-period: '2016-01-22T00:00:00Z' end-period: '2016-01-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4960194591 dns-udp-queries-received-ipv6: 551821506 dns-tcp-queries-received-ipv4: 100036537 dns-tcp-queries-received-ipv6: 2022772 dns-udp-responses-sent-ipv4: 4581270453 dns-udp-responses-sent-ipv6: 557034408 dns-tcp-responses-sent-ipv4: 86408880 dns-tcp-responses-sent-ipv6: 331335