--- version: rssac002v4 service: j.root-servers.net start-period: '2021-11-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5769359630 dns-udp-queries-received-ipv6: 1321573017 dns-tcp-queries-received-ipv4: 354454720 dns-tcp-queries-received-ipv6: 81982516 dns-udp-responses-sent-ipv4: 5417832723 dns-udp-responses-sent-ipv6: 1280470326 dns-tcp-responses-sent-ipv4: 251764097 dns-tcp-responses-sent-ipv6: 77912930