--- version: rssac002v3 service: j.root-servers.net start-period: '2019-08-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7051133287 dns-udp-queries-received-ipv6: 1553626551 dns-tcp-queries-received-ipv4: 389633737 dns-tcp-queries-received-ipv6: 220222582 dns-udp-responses-sent-ipv4: 6675883719 dns-udp-responses-sent-ipv6: 1365759567 dns-tcp-responses-sent-ipv4: 316004622 dns-tcp-responses-sent-ipv6: 129844131