--- version: rssac002v3 service: i.root-servers.net start-period: '2018-06-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5206665866 dns-udp-queries-received-ipv6: 846089120 dns-tcp-queries-received-ipv4: 105435249 dns-tcp-queries-received-ipv6: 15407723 dns-udp-responses-sent-ipv4: 5279771625 dns-udp-responses-sent-ipv6: 850502526 dns-tcp-responses-sent-ipv4: 102824539 dns-tcp-responses-sent-ipv6: 15406441