--- version: rssac002v3 service: a.root-servers.net start-period: '2021-08-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5670751191 dns-udp-queries-received-ipv6: 1611049218 dns-tcp-queries-received-ipv4: 318327275 dns-tcp-queries-received-ipv6: 240838917 dns-udp-responses-sent-ipv4: 5588944139 dns-udp-responses-sent-ipv6: 1635591445 dns-tcp-responses-sent-ipv4: 308161147 dns-tcp-responses-sent-ipv6: 262750966