--- version: rssac002v3 service: j.root-servers.net start-period: '2021-06-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6242859733 dns-udp-queries-received-ipv6: 1410832177 dns-tcp-queries-received-ipv4: 526742353 dns-tcp-queries-received-ipv6: 98945163 dns-udp-responses-sent-ipv4: 5766947905 dns-udp-responses-sent-ipv6: 1401979583 dns-tcp-responses-sent-ipv4: 370315186 dns-tcp-responses-sent-ipv6: 97264678