--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6765446655 dns-udp-queries-received-ipv6: 1284099591 dns-tcp-queries-received-ipv4: 201038555 dns-tcp-queries-received-ipv6: 35035550 dns-udp-responses-sent-ipv4: 6576769281 dns-udp-responses-sent-ipv6: 1283338095 dns-tcp-responses-sent-ipv4: 196568646 dns-tcp-responses-sent-ipv6: 35860635