--- version: rssac002v4 service: a.root-servers.net start-period: '2023-02-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7026733318 dns-udp-queries-received-ipv6: 2383611030 dns-tcp-queries-received-ipv4: 415493223 dns-tcp-queries-received-ipv6: 123332889 dns-udp-responses-sent-ipv4: 6446920578 dns-udp-responses-sent-ipv6: 2017377466 dns-tcp-responses-sent-ipv4: 346746881 dns-tcp-responses-sent-ipv6: 95748364