--- service: j.root-servers.net start-period: '2016-07-04T00:00:00Z' end-period: '2016-07-04T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5658171865 dns-udp-queries-received-ipv6: 703364258 dns-tcp-queries-received-ipv4: 145231004 dns-tcp-queries-received-ipv6: 4986351 dns-udp-responses-sent-ipv4: 5548493268 dns-udp-responses-sent-ipv6: 708269480 dns-tcp-responses-sent-ipv4: 132948230 dns-tcp-responses-sent-ipv6: 2302202