--- version: rssac002v3 service: j.root-servers.net start-period: '2021-02-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6955574353 dns-udp-queries-received-ipv6: 1454599254 dns-tcp-queries-received-ipv4: 651983027 dns-tcp-queries-received-ipv6: 98720777 dns-udp-responses-sent-ipv4: 6328162576 dns-udp-responses-sent-ipv6: 1450273723 dns-tcp-responses-sent-ipv4: 445162011 dns-tcp-responses-sent-ipv6: 98771897