--- version: rssac002v3 service: i.root-servers.net start-period: '2017-04-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5236785479 dns-udp-queries-received-ipv6: 737114359 dns-tcp-queries-received-ipv4: 80479848 dns-tcp-queries-received-ipv6: 9064340 dns-udp-responses-sent-ipv4: 5190379957 dns-udp-responses-sent-ipv6: 736485398 dns-tcp-responses-sent-ipv4: 82008157 dns-tcp-responses-sent-ipv6: 9272781