--- version: rssac002v5 service: a.root-servers.net start-period: '2025-07-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7332812001 dns-udp-queries-received-ipv6: 1907371567 dns-tcp-queries-received-ipv4: 373920733 dns-tcp-queries-received-ipv6: 44758722 dns-udp-responses-sent-ipv4: 7190083772 dns-udp-responses-sent-ipv6: 1881423452 dns-tcp-responses-sent-ipv4: 353097874 dns-tcp-responses-sent-ipv6: 33498998