--- version: rssac002v3 service: i.root-servers.net start-period: '2017-09-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6586604700 dns-udp-queries-received-ipv6: 645254515 dns-tcp-queries-received-ipv4: 124094824 dns-tcp-queries-received-ipv6: 11626895 dns-udp-responses-sent-ipv4: 6537303686 dns-udp-responses-sent-ipv6: 641776430 dns-tcp-responses-sent-ipv4: 124192190 dns-tcp-responses-sent-ipv6: 11709659