--- version: rssac002v3 service: j.root-servers.net start-period: '2021-06-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6295276867 dns-udp-queries-received-ipv6: 1341207073 dns-tcp-queries-received-ipv4: 550512909 dns-tcp-queries-received-ipv6: 99974046 dns-udp-responses-sent-ipv4: 5821368824 dns-udp-responses-sent-ipv6: 1336943220 dns-tcp-responses-sent-ipv4: 386535694 dns-tcp-responses-sent-ipv6: 99537272