--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6242493405 dns-udp-queries-received-ipv6: 797179821 dns-tcp-queries-received-ipv4: 363029246 dns-tcp-queries-received-ipv6: 21063691 dns-udp-responses-sent-ipv4: 5960945839 dns-udp-responses-sent-ipv6: 795012541 dns-tcp-responses-sent-ipv4: 257673137 dns-tcp-responses-sent-ipv6: 20820893