--- version: rssac002v3 service: j.root-servers.net start-period: '2021-08-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5660397963 dns-udp-queries-received-ipv6: 1333378695 dns-tcp-queries-received-ipv4: 345315735 dns-tcp-queries-received-ipv6: 99398069 dns-udp-responses-sent-ipv4: 5389240988 dns-udp-responses-sent-ipv6: 1330384586 dns-tcp-responses-sent-ipv4: 280456611 dns-tcp-responses-sent-ipv6: 99488532