--- service: j.root-servers.net start-period: '2014-09-30T00:00:00Z' end-period: '2014-09-30T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3209147983 dns-udp-queries-received-ipv6: 222460771 dns-tcp-queries-received-ipv4: 35586161 dns-tcp-queries-received-ipv6: 3191584 dns-udp-responses-sent-ipv4: 3230049648 dns-udp-responses-sent-ipv6: 222135292 dns-tcp-responses-sent-ipv4: 37426857 dns-tcp-responses-sent-ipv6: 2618617