--- version: rssac002v3 service: j.root-servers.net start-period: '2020-01-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8968765030 dns-udp-queries-received-ipv6: 1225174296 dns-tcp-queries-received-ipv4: 688469271 dns-tcp-queries-received-ipv6: 113219262 dns-udp-responses-sent-ipv4: 8290073022 dns-udp-responses-sent-ipv6: 1190291304 dns-tcp-responses-sent-ipv4: 513548561 dns-tcp-responses-sent-ipv6: 100508418