--- service: j.root-servers.net start-period: '2016-02-23T00:00:00Z' end-period: '2016-02-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5504655639 dns-udp-queries-received-ipv6: 488145137 dns-tcp-queries-received-ipv4: 132305729 dns-tcp-queries-received-ipv6: 3239437 dns-udp-responses-sent-ipv4: 5023205204 dns-udp-responses-sent-ipv6: 491156395 dns-tcp-responses-sent-ipv4: 115238814 dns-tcp-responses-sent-ipv6: 344244