--- version: rssac002v3 service: j.root-servers.net start-period: '2021-02-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7136679045 dns-udp-queries-received-ipv6: 1648761113 dns-tcp-queries-received-ipv4: 589588990 dns-tcp-queries-received-ipv6: 129172359 dns-udp-responses-sent-ipv4: 6581924178 dns-udp-responses-sent-ipv6: 1611496294 dns-tcp-responses-sent-ipv4: 403672194 dns-tcp-responses-sent-ipv6: 113354171