--- version: rssac002v3 service: j.root-servers.net start-period: '2021-01-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6689685884 dns-udp-queries-received-ipv6: 1428810168 dns-tcp-queries-received-ipv4: 570358379 dns-tcp-queries-received-ipv6: 109607582 dns-udp-responses-sent-ipv4: 6181475378 dns-udp-responses-sent-ipv6: 1412780740 dns-tcp-responses-sent-ipv4: 409884438 dns-tcp-responses-sent-ipv6: 104203914