--- version: rssac002v3 service: j.root-servers.net start-period: '2021-02-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6431382165 dns-udp-queries-received-ipv6: 1311668102 dns-tcp-queries-received-ipv4: 604379188 dns-tcp-queries-received-ipv6: 95493924 dns-udp-responses-sent-ipv4: 5884550983 dns-udp-responses-sent-ipv6: 1307798602 dns-tcp-responses-sent-ipv4: 404076128 dns-tcp-responses-sent-ipv6: 95077431