--- version: rssac002v3 service: a.root-servers.net start-period: '2019-09-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6933771426 dns-udp-queries-received-ipv6: 1277967825 dns-tcp-queries-received-ipv4: 195581245 dns-tcp-queries-received-ipv6: 35075144 dns-udp-responses-sent-ipv4: 6757403175 dns-udp-responses-sent-ipv6: 1277219747 dns-tcp-responses-sent-ipv4: 191543833 dns-tcp-responses-sent-ipv6: 35823138