--- version: rssac002v3 service: j.root-servers.net start-period: '2021-02-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6894100552 dns-udp-queries-received-ipv6: 1376720494 dns-tcp-queries-received-ipv4: 638637727 dns-tcp-queries-received-ipv6: 97692187 dns-udp-responses-sent-ipv4: 6288455363 dns-udp-responses-sent-ipv6: 1366503506 dns-tcp-responses-sent-ipv4: 427099379 dns-tcp-responses-sent-ipv6: 94253363