--- version: rssac002v3 service: i.root-servers.net start-period: '2017-12-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5922974491 dns-udp-queries-received-ipv6: 694492484 dns-tcp-queries-received-ipv4: 78467847 dns-tcp-queries-received-ipv6: 12744242 dns-udp-responses-sent-ipv4: 6059755777 dns-udp-responses-sent-ipv6: 693347556 dns-tcp-responses-sent-ipv4: 78952460 dns-tcp-responses-sent-ipv6: 12756540