--- version: rssac002v3 service: i.root-servers.net start-period: '2016-07-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4983275082 dns-udp-queries-received-ipv6: 500200542 dns-tcp-queries-received-ipv4: 23445160 dns-tcp-queries-received-ipv6: 1174594 dns-udp-responses-sent-ipv4: 4976473636 dns-udp-responses-sent-ipv6: 500480487 dns-tcp-responses-sent-ipv4: 23812637 dns-tcp-responses-sent-ipv6: 1191722