--- version: rssac002v4 service: a.root-servers.net start-period: '2022-07-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6076490383 dns-udp-queries-received-ipv6: 1865037810 dns-tcp-queries-received-ipv4: 541355030 dns-tcp-queries-received-ipv6: 43403956 dns-udp-responses-sent-ipv4: 5699864937 dns-udp-responses-sent-ipv6: 1860943412 dns-tcp-responses-sent-ipv4: 463541021 dns-tcp-responses-sent-ipv6: 43005596