--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5165494311 dns-udp-queries-received-ipv6: 548574805 dns-tcp-queries-received-ipv4: 269959411 dns-tcp-queries-received-ipv6: 17943647 dns-udp-responses-sent-ipv4: 4979766268 dns-udp-responses-sent-ipv6: 514772087 dns-tcp-responses-sent-ipv4: 212232754 dns-tcp-responses-sent-ipv6: 18082926