--- version: rssac002v4 service: j.root-servers.net start-period: '2023-04-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6986197927 dns-udp-queries-received-ipv6: 1979017489 dns-tcp-queries-received-ipv4: 424212796 dns-tcp-queries-received-ipv6: 122935779 dns-udp-responses-sent-ipv4: 6601370139 dns-udp-responses-sent-ipv6: 1938092846 dns-tcp-responses-sent-ipv4: 325064943 dns-tcp-responses-sent-ipv6: 109214454