--- version: rssac002v4 service: j.root-servers.net start-period: '2022-06-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5659494542 dns-udp-queries-received-ipv6: 1580689313 dns-tcp-queries-received-ipv4: 338770824 dns-tcp-queries-received-ipv6: 55921574 dns-udp-responses-sent-ipv4: 5319179594 dns-udp-responses-sent-ipv6: 1577936658 dns-tcp-responses-sent-ipv4: 232638742 dns-tcp-responses-sent-ipv6: 55611351