--- service: j.root-servers.net start-period: '2016-10-21T00:00:00Z' end-period: '2016-10-21T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6071084572 dns-udp-queries-received-ipv6: 676735950 dns-tcp-queries-received-ipv4: 197107316 dns-tcp-queries-received-ipv6: 9704195 dns-udp-responses-sent-ipv4: 5890299123 dns-udp-responses-sent-ipv6: 678240438 dns-tcp-responses-sent-ipv4: 174972768 dns-tcp-responses-sent-ipv6: 7972356