--- version: rssac002v3 service: j.root-servers.net start-period: '2019-05-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8033923823 dns-udp-queries-received-ipv6: 1363452658 dns-tcp-queries-received-ipv4: 790230503 dns-tcp-queries-received-ipv6: 92678278 dns-udp-responses-sent-ipv4: 7284666405 dns-udp-responses-sent-ipv6: 1316869156 dns-tcp-responses-sent-ipv4: 558812671 dns-tcp-responses-sent-ipv6: 70975967