--- version: rssac002v3 service: i.root-servers.net start-period: '2017-12-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6089897644 dns-udp-queries-received-ipv6: 606457366 dns-tcp-queries-received-ipv4: 94497403 dns-tcp-queries-received-ipv6: 12606530 dns-udp-responses-sent-ipv4: 6114942434 dns-udp-responses-sent-ipv6: 665423210 dns-tcp-responses-sent-ipv4: 94577579 dns-tcp-responses-sent-ipv6: 12669010