--- version: rssac002v3 service: i.root-servers.net start-period: '2017-04-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6106631799 dns-udp-queries-received-ipv6: 671564464 dns-tcp-queries-received-ipv4: 83605157 dns-tcp-queries-received-ipv6: 8702134 dns-udp-responses-sent-ipv4: 6134260128 dns-udp-responses-sent-ipv6: 671588098 dns-tcp-responses-sent-ipv4: 85600370 dns-tcp-responses-sent-ipv6: 8826870