--- version: rssac002v3 service: i.root-servers.net start-period: '2017-01-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6733904601 dns-udp-queries-received-ipv6: 759154134 dns-tcp-queries-received-ipv4: 88534814 dns-tcp-queries-received-ipv6: 7567243 dns-udp-responses-sent-ipv4: 6751356144 dns-udp-responses-sent-ipv6: 760339399 dns-tcp-responses-sent-ipv4: 90157147 dns-tcp-responses-sent-ipv6: 7641349