--- version: rssac002v4 service: a.root-servers.net start-period: '2022-12-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6248212658 dns-udp-queries-received-ipv6: 1990954696 dns-tcp-queries-received-ipv4: 330216063 dns-tcp-queries-received-ipv6: 110109068 dns-udp-responses-sent-ipv4: 6072272535 dns-udp-responses-sent-ipv6: 1987980852 dns-tcp-responses-sent-ipv4: 307105622 dns-tcp-responses-sent-ipv6: 109680048