--- version: rssac002v3 service: j.root-servers.net start-period: '2019-09-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7813266358 dns-udp-queries-received-ipv6: 1618390194 dns-tcp-queries-received-ipv4: 530584286 dns-tcp-queries-received-ipv6: 208911402 dns-udp-responses-sent-ipv4: 7349653501 dns-udp-responses-sent-ipv6: 1439719210 dns-tcp-responses-sent-ipv4: 405004953 dns-tcp-responses-sent-ipv6: 121307106