--- service: j.root-servers.net start-period: '2017-02-09T00:00:00Z' end-period: '2017-02-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6554933652 dns-udp-queries-received-ipv6: 658937096 dns-tcp-queries-received-ipv4: 189756305 dns-tcp-queries-received-ipv6: 14054034 dns-udp-responses-sent-ipv4: 6426137281 dns-udp-responses-sent-ipv6: 662487019 dns-tcp-responses-sent-ipv4: 165696300 dns-tcp-responses-sent-ipv6: 14214927