--- service: j.root-servers.net start-period: '2014-09-23T00:00:00Z' end-period: '2014-09-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3129217631 dns-udp-queries-received-ipv6: 217038652 dns-tcp-queries-received-ipv4: 26758800 dns-tcp-queries-received-ipv6: 3186217 dns-udp-responses-sent-ipv4: 3140333077 dns-udp-responses-sent-ipv6: 216651103 dns-tcp-responses-sent-ipv4: 27062741 dns-tcp-responses-sent-ipv6: 2648404