--- version: rssac002v5 service: a.root-servers.net start-period: '2025-07-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8449444938 dns-udp-queries-received-ipv6: 2197003480 dns-tcp-queries-received-ipv4: 584041762 dns-tcp-queries-received-ipv6: 50533193 dns-udp-responses-sent-ipv4: 8259132043 dns-udp-responses-sent-ipv6: 2164325583 dns-tcp-responses-sent-ipv4: 535270833 dns-tcp-responses-sent-ipv6: 36825967