--- version: rssac002v5 service: a.root-servers.net start-period: '2025-05-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8616056670 dns-udp-queries-received-ipv6: 1934208210 dns-tcp-queries-received-ipv4: 559188743 dns-tcp-queries-received-ipv6: 51434949 dns-udp-responses-sent-ipv4: 8439928727 dns-udp-responses-sent-ipv6: 1887760018 dns-tcp-responses-sent-ipv4: 507490924 dns-tcp-responses-sent-ipv6: 36204306