--- service: j.root-servers.net start-period: '2016-06-22T00:00:00Z' end-period: '2016-06-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6015209138 dns-udp-queries-received-ipv6: 780593630 dns-tcp-queries-received-ipv4: 143932692 dns-tcp-queries-received-ipv6: 5528410 dns-udp-responses-sent-ipv4: 5902865207 dns-udp-responses-sent-ipv6: 781687281 dns-tcp-responses-sent-ipv4: 134276038 dns-tcp-responses-sent-ipv6: 2667563