--- version: rssac002v3 service: j.root-servers.net start-period: '2018-08-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5378550123 dns-udp-queries-received-ipv6: 644363945 dns-tcp-queries-received-ipv4: 276150602 dns-tcp-queries-received-ipv6: 20599116 dns-udp-responses-sent-ipv4: 5157918464 dns-udp-responses-sent-ipv6: 642372106 dns-tcp-responses-sent-ipv4: 212742588 dns-tcp-responses-sent-ipv6: 20443013