--- version: rssac002v4 service: a.root-servers.net start-period: '2024-04-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8494147562 dns-udp-queries-received-ipv6: 1654302683 dns-tcp-queries-received-ipv4: 332274039 dns-tcp-queries-received-ipv6: 60234761 dns-udp-responses-sent-ipv4: 8333148430 dns-udp-responses-sent-ipv6: 1629158883 dns-tcp-responses-sent-ipv4: 316908787 dns-tcp-responses-sent-ipv6: 49224289