--- version: rssac002v3 service: i.root-servers.net start-period: '2016-09-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5115053713 dns-udp-queries-received-ipv6: 492520708 dns-tcp-queries-received-ipv4: 32851202 dns-tcp-queries-received-ipv6: 1300693 dns-udp-responses-sent-ipv4: 5136352383 dns-udp-responses-sent-ipv6: 493587927 dns-tcp-responses-sent-ipv4: 34204132 dns-tcp-responses-sent-ipv6: 1308016