--- version: rssac002v4 service: a.root-servers.net start-period: '2022-06-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5818641130 dns-udp-queries-received-ipv6: 1731761351 dns-tcp-queries-received-ipv4: 378877000 dns-tcp-queries-received-ipv6: 58645637 dns-udp-responses-sent-ipv4: 5527806709 dns-udp-responses-sent-ipv6: 1730243173 dns-tcp-responses-sent-ipv4: 307322158 dns-tcp-responses-sent-ipv6: 58756866