--- service: j.root-servers.net start-period: '2015-11-23T00:00:00Z' end-period: '2015-11-23T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4055105665 dns-udp-queries-received-ipv6: 555411183 dns-tcp-queries-received-ipv4: 71577213 dns-tcp-queries-received-ipv6: 1562470 dns-udp-responses-sent-ipv4: 3899256027 dns-udp-responses-sent-ipv6: 557723635 dns-tcp-responses-sent-ipv4: 68794430 dns-tcp-responses-sent-ipv6: 308630