--- version: rssac002v3 service: i.root-servers.net start-period: '2016-12-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6824669325 dns-udp-queries-received-ipv6: 770379517 dns-tcp-queries-received-ipv4: 69539082 dns-tcp-queries-received-ipv6: 8081174 dns-udp-responses-sent-ipv4: 6926970853 dns-udp-responses-sent-ipv6: 771694287 dns-tcp-responses-sent-ipv4: 71385636 dns-tcp-responses-sent-ipv6: 8022083