--- version: rssac002v3 service: j.root-servers.net start-period: '2019-08-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8112613345 dns-udp-queries-received-ipv6: 1725583728 dns-tcp-queries-received-ipv4: 703542552 dns-tcp-queries-received-ipv6: 287264336 dns-udp-responses-sent-ipv4: 7441191103 dns-udp-responses-sent-ipv6: 1468074609 dns-tcp-responses-sent-ipv4: 468869283 dns-tcp-responses-sent-ipv6: 161580174