--- version: rssac002v3 service: a.root-servers.net start-period: '2020-05-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8613173991 dns-udp-queries-received-ipv6: 1945572237 dns-tcp-queries-received-ipv4: 296256514 dns-tcp-queries-received-ipv6: 125650411 dns-udp-responses-sent-ipv4: 8414157572 dns-udp-responses-sent-ipv6: 1936540801 dns-tcp-responses-sent-ipv4: 285160432 dns-tcp-responses-sent-ipv6: 124421769