--- version: rssac002v3 service: i.root-servers.net start-period: '2017-05-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4727860995 dns-udp-queries-received-ipv6: 621066822 dns-tcp-queries-received-ipv4: 56153033 dns-tcp-queries-received-ipv6: 7968667 dns-udp-responses-sent-ipv4: 4706716251 dns-udp-responses-sent-ipv6: 621687179 dns-tcp-responses-sent-ipv4: 56540591 dns-tcp-responses-sent-ipv6: 8090667