--- version: rssac002v3 service: i.root-servers.net start-period: '2017-12-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6043622962 dns-udp-queries-received-ipv6: 577403629 dns-tcp-queries-received-ipv4: 116956273 dns-tcp-queries-received-ipv6: 12275757 dns-udp-responses-sent-ipv4: 6042642225 dns-udp-responses-sent-ipv6: 624011127 dns-tcp-responses-sent-ipv4: 116463307 dns-tcp-responses-sent-ipv6: 12339914