--- version: rssac002v3 service: i.root-servers.net start-period: '2018-02-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5640542114 dns-udp-queries-received-ipv6: 690037203 dns-tcp-queries-received-ipv4: 104779782 dns-tcp-queries-received-ipv6: 14180255 dns-udp-responses-sent-ipv4: 5687054634 dns-udp-responses-sent-ipv6: 687907619 dns-tcp-responses-sent-ipv4: 105773851 dns-tcp-responses-sent-ipv6: 14254175