--- version: rssac002v3 service: i.root-servers.net start-period: '2016-06-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5761516136 dns-udp-queries-received-ipv6: 476298108 dns-tcp-queries-received-ipv4: 18532902 dns-tcp-queries-received-ipv6: 841596 dns-udp-responses-sent-ipv4: 5725617373 dns-udp-responses-sent-ipv6: 475945499 dns-tcp-responses-sent-ipv4: 18732885 dns-tcp-responses-sent-ipv6: 847094