--- version: rssac002v5 service: a.root-servers.net start-period: '2025-12-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6898997061 dns-udp-queries-received-ipv6: 1760344951 dns-tcp-queries-received-ipv4: 442615651 dns-tcp-queries-received-ipv6: 35199683 dns-udp-responses-sent-ipv4: 6756320218 dns-udp-responses-sent-ipv6: 1745047624 dns-tcp-responses-sent-ipv4: 419703240 dns-tcp-responses-sent-ipv6: 30828893