--- version: rssac002v3 service: j.root-servers.net start-period: '2021-07-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6895179570 dns-udp-queries-received-ipv6: 1588457986 dns-tcp-queries-received-ipv4: 591830198 dns-tcp-queries-received-ipv6: 112170172 dns-udp-responses-sent-ipv4: 6372095525 dns-udp-responses-sent-ipv6: 1578988273 dns-tcp-responses-sent-ipv4: 410552631 dns-tcp-responses-sent-ipv6: 109090147