--- version: rssac002v4 service: a.root-servers.net start-period: '2023-03-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6790639180 dns-udp-queries-received-ipv6: 2165659092 dns-tcp-queries-received-ipv4: 458360232 dns-tcp-queries-received-ipv6: 125096868 dns-udp-responses-sent-ipv4: 6265786076 dns-udp-responses-sent-ipv6: 1849572517 dns-tcp-responses-sent-ipv4: 398548756 dns-tcp-responses-sent-ipv6: 99148486