--- version: rssac002v4 service: a.root-servers.net start-period: '2023-07-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6634759356 dns-udp-queries-received-ipv6: 1928497274 dns-tcp-queries-received-ipv4: 400574073 dns-tcp-queries-received-ipv6: 212421880 dns-udp-responses-sent-ipv4: 6473823937 dns-udp-responses-sent-ipv6: 1917917954 dns-tcp-responses-sent-ipv4: 390245906 dns-tcp-responses-sent-ipv6: 209320154