--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7282498348 dns-udp-queries-received-ipv6: 2379106959 dns-tcp-queries-received-ipv4: 409976169 dns-tcp-queries-received-ipv6: 287710247 dns-udp-responses-sent-ipv4: 6733178913 dns-udp-responses-sent-ipv6: 2056191188 dns-tcp-responses-sent-ipv4: 343325491 dns-tcp-responses-sent-ipv6: 260272682