--- version: rssac002v4 service: j.root-servers.net start-period: '2022-06-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5851194096 dns-udp-queries-received-ipv6: 1647866720 dns-tcp-queries-received-ipv4: 346130694 dns-tcp-queries-received-ipv6: 61869999 dns-udp-responses-sent-ipv4: 5499278482 dns-udp-responses-sent-ipv6: 1644311058 dns-tcp-responses-sent-ipv4: 242513243 dns-tcp-responses-sent-ipv6: 61530834