--- version: rssac002v3 service: a.root-servers.net start-period: '2020-06-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7889873828 dns-udp-queries-received-ipv6: 1623501106 dns-tcp-queries-received-ipv4: 268796176 dns-tcp-queries-received-ipv6: 99461771 dns-udp-responses-sent-ipv4: 7673941925 dns-udp-responses-sent-ipv6: 1622002872 dns-tcp-responses-sent-ipv4: 253142712 dns-tcp-responses-sent-ipv6: 99890844