--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5741125919 dns-udp-queries-received-ipv6: 668722764 dns-tcp-queries-received-ipv4: 296238456 dns-tcp-queries-received-ipv6: 20054563 dns-udp-responses-sent-ipv4: 5529235196 dns-udp-responses-sent-ipv6: 667120346 dns-tcp-responses-sent-ipv4: 227009357 dns-tcp-responses-sent-ipv6: 19950011