--- version: rssac002v3 service: a.root-servers.net start-period: '2020-08-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8344899078 dns-udp-queries-received-ipv6: 1539424183 dns-tcp-queries-received-ipv4: 273210855 dns-tcp-queries-received-ipv6: 85605843 dns-udp-responses-sent-ipv4: 8117253462 dns-udp-responses-sent-ipv6: 1535598066 dns-tcp-responses-sent-ipv4: 253676670 dns-tcp-responses-sent-ipv6: 85081467