--- version: rssac002v3 service: a.root-servers.net start-period: '2017-06-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3400811247 dns-udp-queries-received-ipv6: 353862342 dns-tcp-queries-received-ipv4: 77466739 dns-tcp-queries-received-ipv6: 8575189 dns-udp-responses-sent-ipv4: 3399284169 dns-udp-responses-sent-ipv6: 353843387 dns-tcp-responses-sent-ipv4: 77394417 dns-tcp-responses-sent-ipv6: 8676383