--- version: rssac002v3 service: j.root-servers.net start-period: '2021-02-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6988538392 dns-udp-queries-received-ipv6: 1428914778 dns-tcp-queries-received-ipv4: 660637412 dns-tcp-queries-received-ipv6: 128287433 dns-udp-responses-sent-ipv4: 6377895088 dns-udp-responses-sent-ipv6: 1394497666 dns-tcp-responses-sent-ipv4: 447002171 dns-tcp-responses-sent-ipv6: 116032549