--- service: j.root-servers.net start-period: '2016-07-19T00:00:00Z' end-period: '2016-07-19T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5839733176 dns-udp-queries-received-ipv6: 752356146 dns-tcp-queries-received-ipv4: 171055841 dns-tcp-queries-received-ipv6: 3898271 dns-udp-responses-sent-ipv4: 5766258314 dns-udp-responses-sent-ipv6: 759041180 dns-tcp-responses-sent-ipv4: 138681186 dns-tcp-responses-sent-ipv6: 909631