--- service: j.root-servers.net start-period: '2016-02-09T00:00:00Z' end-period: '2016-02-09T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5443346932 dns-udp-queries-received-ipv6: 573518748 dns-tcp-queries-received-ipv4: 118402127 dns-tcp-queries-received-ipv6: 1869246 dns-udp-responses-sent-ipv4: 4944744064 dns-udp-responses-sent-ipv6: 578998307 dns-tcp-responses-sent-ipv4: 98300455 dns-tcp-responses-sent-ipv6: 318117