--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3628833017 dns-udp-queries-received-ipv6: 357701809 dns-tcp-queries-received-ipv4: 147478666 dns-tcp-queries-received-ipv6: 8659888 dns-udp-responses-sent-ipv4: 3627521856 dns-udp-responses-sent-ipv6: 357669976 dns-tcp-responses-sent-ipv4: 147392345 dns-tcp-responses-sent-ipv6: 8702103