--- version: rssac002v4 service: a.root-servers.net start-period: '2022-08-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6150054340 dns-udp-queries-received-ipv6: 1620014397 dns-tcp-queries-received-ipv4: 346330042 dns-tcp-queries-received-ipv6: 53992248 dns-udp-responses-sent-ipv4: 5897113812 dns-udp-responses-sent-ipv6: 1616393320 dns-tcp-responses-sent-ipv4: 291374971 dns-tcp-responses-sent-ipv6: 53569694