--- version: rssac002v3 service: j.root-servers.net start-period: '2021-08-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5263157345 dns-udp-queries-received-ipv6: 1277869709 dns-tcp-queries-received-ipv4: 318267723 dns-tcp-queries-received-ipv6: 99349772 dns-udp-responses-sent-ipv4: 5022157665 dns-udp-responses-sent-ipv6: 1275539608 dns-tcp-responses-sent-ipv4: 260878884 dns-tcp-responses-sent-ipv6: 99582637