--- version: rssac002v4 service: a.root-servers.net start-period: '2023-01-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6055323221 dns-udp-queries-received-ipv6: 1979766555 dns-tcp-queries-received-ipv4: 346800865 dns-tcp-queries-received-ipv6: 97678794 dns-udp-responses-sent-ipv4: 5735989927 dns-udp-responses-sent-ipv6: 1808360197 dns-tcp-responses-sent-ipv4: 307948428 dns-tcp-responses-sent-ipv6: 82993407