--- version: rssac002v3 service: j.root-servers.net start-period: '2021-06-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5682778246 dns-udp-queries-received-ipv6: 1132450645 dns-tcp-queries-received-ipv4: 519021639 dns-tcp-queries-received-ipv6: 86821114 dns-udp-responses-sent-ipv4: 5248426260 dns-udp-responses-sent-ipv6: 1127878686 dns-tcp-responses-sent-ipv4: 361211259 dns-tcp-responses-sent-ipv6: 86763109