--- version: rssac002v3 service: j.root-servers.net start-period: '2018-09-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6008358096 dns-udp-queries-received-ipv6: 645123875 dns-tcp-queries-received-ipv4: 323672603 dns-tcp-queries-received-ipv6: 24250747 dns-udp-responses-sent-ipv4: 5538185400 dns-udp-responses-sent-ipv6: 638534031 dns-tcp-responses-sent-ipv4: 231056207 dns-tcp-responses-sent-ipv6: 24000297