--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6874760811 dns-udp-queries-received-ipv6: 2339344951 dns-tcp-queries-received-ipv4: 371563178 dns-tcp-queries-received-ipv6: 123092962 dns-udp-responses-sent-ipv4: 6324453043 dns-udp-responses-sent-ipv6: 1969801016 dns-tcp-responses-sent-ipv4: 303019620 dns-tcp-responses-sent-ipv6: 94416473