--- version: rssac002v3 service: i.root-servers.net start-period: '2017-12-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5137327032 dns-udp-queries-received-ipv6: 637304966 dns-tcp-queries-received-ipv4: 83422235 dns-tcp-queries-received-ipv6: 13034044 dns-udp-responses-sent-ipv4: 5247845657 dns-udp-responses-sent-ipv6: 633442784 dns-tcp-responses-sent-ipv4: 84134934 dns-tcp-responses-sent-ipv6: 13006379