--- version: rssac002v3 service: j.root-servers.net start-period: '2021-09-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6402195161 dns-udp-queries-received-ipv6: 1364332910 dns-tcp-queries-received-ipv4: 491249052 dns-tcp-queries-received-ipv6: 95308323 dns-udp-responses-sent-ipv4: 5998233891 dns-udp-responses-sent-ipv6: 1361067950 dns-tcp-responses-sent-ipv4: 355321387 dns-tcp-responses-sent-ipv6: 95211999