--- version: rssac002v3 service: j.root-servers.net start-period: '2019-03-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6936324123 dns-udp-queries-received-ipv6: 1177130566 dns-tcp-queries-received-ipv4: 333997687 dns-tcp-queries-received-ipv6: 181048227 dns-udp-responses-sent-ipv4: 6601519946 dns-udp-responses-sent-ipv6: 1041706168 dns-tcp-responses-sent-ipv4: 298214105 dns-tcp-responses-sent-ipv6: 112185889