--- version: rssac002v4 service: a.root-servers.net start-period: '2023-11-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8290601295 dns-udp-queries-received-ipv6: 1663909123 dns-tcp-queries-received-ipv4: 478861733 dns-tcp-queries-received-ipv6: 60898732 dns-udp-responses-sent-ipv4: 8115442202 dns-udp-responses-sent-ipv6: 1643516504 dns-tcp-responses-sent-ipv4: 460678201 dns-tcp-responses-sent-ipv6: 52128003