--- version: rssac002v3 service: i.root-servers.net start-period: '2016-09-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4894451151 dns-udp-queries-received-ipv6: 474402505 dns-tcp-queries-received-ipv4: 29370175 dns-tcp-queries-received-ipv6: 1225025 dns-udp-responses-sent-ipv4: 4858767582 dns-udp-responses-sent-ipv6: 475171963 dns-tcp-responses-sent-ipv4: 30419961 dns-tcp-responses-sent-ipv6: 1237378