--- service: j.root-servers.net start-period: '2016-07-12T00:00:00Z' end-period: '2016-07-12T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6037042815 dns-udp-queries-received-ipv6: 749578056 dns-tcp-queries-received-ipv4: 173644361 dns-tcp-queries-received-ipv6: 4990352 dns-udp-responses-sent-ipv4: 5898243075 dns-udp-responses-sent-ipv6: 751113387 dns-tcp-responses-sent-ipv4: 140742120 dns-tcp-responses-sent-ipv6: 1245850