--- version: rssac002v3 service: a.root-servers.net start-period: '2020-06-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8176521969 dns-udp-queries-received-ipv6: 1731135950 dns-tcp-queries-received-ipv4: 272867198 dns-tcp-queries-received-ipv6: 98922311 dns-udp-responses-sent-ipv4: 7953084062 dns-udp-responses-sent-ipv6: 1722783315 dns-tcp-responses-sent-ipv4: 256923038 dns-tcp-responses-sent-ipv6: 99540123