--- version: rssac002v3 service: a.root-servers.net start-period: '2017-04-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4419290110 dns-udp-queries-received-ipv6: 480980262 dns-tcp-queries-received-ipv4: 183972410 dns-tcp-queries-received-ipv6: 8707272 dns-udp-responses-sent-ipv4: 4411483195 dns-udp-responses-sent-ipv6: 480816534 dns-tcp-responses-sent-ipv4: 183980503 dns-tcp-responses-sent-ipv6: 8830000