--- version: rssac002v5 service: a.root-servers.net start-period: '2025-06-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8216503585 dns-udp-queries-received-ipv6: 1971883098 dns-tcp-queries-received-ipv4: 408261268 dns-tcp-queries-received-ipv6: 51349020 dns-udp-responses-sent-ipv4: 8066895663 dns-udp-responses-sent-ipv6: 1948221007 dns-tcp-responses-sent-ipv4: 374691924 dns-tcp-responses-sent-ipv6: 40318509