--- version: rssac002v4 service: j.root-servers.net start-period: '2022-04-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6067877771 dns-udp-queries-received-ipv6: 1428500828 dns-tcp-queries-received-ipv4: 447309955 dns-tcp-queries-received-ipv6: 65810398 dns-udp-responses-sent-ipv4: 5669166075 dns-udp-responses-sent-ipv6: 1409230948 dns-tcp-responses-sent-ipv4: 321071383 dns-tcp-responses-sent-ipv6: 65480567