--- version: rssac002v4 service: j.root-servers.net start-period: '2021-11-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5428457226 dns-udp-queries-received-ipv6: 1368270291 dns-tcp-queries-received-ipv4: 388903474 dns-tcp-queries-received-ipv6: 106851295 dns-udp-responses-sent-ipv4: 5090843562 dns-udp-responses-sent-ipv6: 1323490131 dns-tcp-responses-sent-ipv4: 294006342 dns-tcp-responses-sent-ipv6: 103111759