--- version: rssac002v4 service: j.root-servers.net start-period: '2021-11-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5670188886 dns-udp-queries-received-ipv6: 1225211095 dns-tcp-queries-received-ipv4: 356446232 dns-tcp-queries-received-ipv6: 86327576 dns-udp-responses-sent-ipv4: 5319902132 dns-udp-responses-sent-ipv6: 1208551207 dns-tcp-responses-sent-ipv4: 250185930 dns-tcp-responses-sent-ipv6: 84026365