--- version: rssac002v3 service: j.root-servers.net start-period: '2021-06-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5772024690 dns-udp-queries-received-ipv6: 1100589841 dns-tcp-queries-received-ipv4: 513668565 dns-tcp-queries-received-ipv6: 91425189 dns-udp-responses-sent-ipv4: 5337059488 dns-udp-responses-sent-ipv6: 1097490253 dns-tcp-responses-sent-ipv4: 361293276 dns-tcp-responses-sent-ipv6: 91402419