--- version: rssac002v4 service: a.root-servers.net start-period: '2023-01-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6265491523 dns-udp-queries-received-ipv6: 1638353289 dns-tcp-queries-received-ipv4: 364765091 dns-tcp-queries-received-ipv6: 92680525 dns-udp-responses-sent-ipv4: 5949792749 dns-udp-responses-sent-ipv6: 1545894620 dns-tcp-responses-sent-ipv4: 322274161 dns-tcp-responses-sent-ipv6: 81030578