--- version: rssac002v4 service: a.root-servers.net start-period: '2023-05-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6764330103 dns-udp-queries-received-ipv6: 1957816513 dns-tcp-queries-received-ipv4: 472424475 dns-tcp-queries-received-ipv6: 172838858 dns-udp-responses-sent-ipv4: 6255368779 dns-udp-responses-sent-ipv6: 1624074231 dns-tcp-responses-sent-ipv4: 410375631 dns-tcp-responses-sent-ipv6: 124399669