--- version: rssac002v3 service: a.root-servers.net start-period: '2017-11-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3680209879 dns-udp-queries-received-ipv6: 397327793 dns-tcp-queries-received-ipv4: 179980451 dns-tcp-queries-received-ipv6: 12125146 dns-udp-responses-sent-ipv4: 3679533514 dns-udp-responses-sent-ipv6: 397322216 dns-tcp-responses-sent-ipv4: 180650588 dns-tcp-responses-sent-ipv6: 12238132