--- version: rssac002v3 service: i.root-servers.net start-period: '2017-09-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6603816512 dns-udp-queries-received-ipv6: 627204333 dns-tcp-queries-received-ipv4: 102495490 dns-tcp-queries-received-ipv6: 11033422 dns-udp-responses-sent-ipv4: 6603436468 dns-udp-responses-sent-ipv6: 623496148 dns-tcp-responses-sent-ipv4: 103222217 dns-tcp-responses-sent-ipv6: 11191934