--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6979428593 dns-udp-queries-received-ipv6: 2213281520 dns-tcp-queries-received-ipv4: 381480258 dns-tcp-queries-received-ipv6: 119812933 dns-udp-responses-sent-ipv4: 6444603186 dns-udp-responses-sent-ipv6: 1894961679 dns-tcp-responses-sent-ipv4: 315055305 dns-tcp-responses-sent-ipv6: 93371832