--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8843755595 dns-udp-queries-received-ipv6: 1327340426 dns-tcp-queries-received-ipv4: 740830701 dns-tcp-queries-received-ipv6: 113611111 dns-udp-responses-sent-ipv4: 8000820460 dns-udp-responses-sent-ipv6: 1235390127 dns-tcp-responses-sent-ipv4: 512688117 dns-tcp-responses-sent-ipv6: 97006060