--- version: rssac002v3 service: j.root-servers.net start-period: '2021-05-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6142817511 dns-udp-queries-received-ipv6: 1216666223 dns-tcp-queries-received-ipv4: 584848908 dns-tcp-queries-received-ipv6: 92182862 dns-udp-responses-sent-ipv4: 5608694023 dns-udp-responses-sent-ipv6: 1212607842 dns-tcp-responses-sent-ipv4: 392834419 dns-tcp-responses-sent-ipv6: 92939626