--- version: rssac002v4 service: a.root-servers.net start-period: '2022-09-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6360993379 dns-udp-queries-received-ipv6: 1971975604 dns-tcp-queries-received-ipv4: 596245352 dns-tcp-queries-received-ipv6: 52902424 dns-udp-responses-sent-ipv4: 5873673419 dns-udp-responses-sent-ipv6: 1959551591 dns-tcp-responses-sent-ipv4: 417083001 dns-tcp-responses-sent-ipv6: 51140982