--- service: j.root-servers.net start-period: '2016-01-13T00:00:00Z' end-period: '2016-01-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4671241075 dns-udp-queries-received-ipv6: 548257274 dns-tcp-queries-received-ipv4: 116343237 dns-tcp-queries-received-ipv6: 2000626 dns-udp-responses-sent-ipv4: 4361615429 dns-udp-responses-sent-ipv6: 552056282 dns-tcp-responses-sent-ipv4: 99023374 dns-tcp-responses-sent-ipv6: 315285