--- version: rssac002v3 service: j.root-servers.net start-period: '2021-03-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6291111858 dns-udp-queries-received-ipv6: 1193116839 dns-tcp-queries-received-ipv4: 561935972 dns-tcp-queries-received-ipv6: 105270363 dns-udp-responses-sent-ipv4: 5810913156 dns-udp-responses-sent-ipv6: 1182671156 dns-tcp-responses-sent-ipv4: 386977224 dns-tcp-responses-sent-ipv6: 101974158