--- version: rssac002v4 service: a.root-servers.net start-period: '2024-05-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8481829360 dns-udp-queries-received-ipv6: 1444740147 dns-tcp-queries-received-ipv4: 323956046 dns-tcp-queries-received-ipv6: 35500131 dns-udp-responses-sent-ipv4: 8313686986 dns-udp-responses-sent-ipv6: 1440893646 dns-tcp-responses-sent-ipv4: 303679918 dns-tcp-responses-sent-ipv6: 35624604