--- version: rssac002v3 service: a.root-servers.net start-period: '2019-09-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6923132118 dns-udp-queries-received-ipv6: 1263384935 dns-tcp-queries-received-ipv4: 201834669 dns-tcp-queries-received-ipv6: 35304178 dns-udp-responses-sent-ipv4: 6745350451 dns-udp-responses-sent-ipv6: 1262590474 dns-tcp-responses-sent-ipv4: 197868037 dns-tcp-responses-sent-ipv6: 36058126