--- version: rssac002v3 service: i.root-servers.net start-period: '2016-07-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4757881562 dns-udp-queries-received-ipv6: 464115760 dns-tcp-queries-received-ipv4: 29478299 dns-tcp-queries-received-ipv6: 1104818 dns-udp-responses-sent-ipv4: 4737014158 dns-udp-responses-sent-ipv6: 464331451 dns-tcp-responses-sent-ipv4: 30165987 dns-tcp-responses-sent-ipv6: 1115419