--- version: rssac002v3 service: i.root-servers.net start-period: '2016-12-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7210166948 dns-udp-queries-received-ipv6: 777045643 dns-tcp-queries-received-ipv4: 74392656 dns-tcp-queries-received-ipv6: 10118207 dns-udp-responses-sent-ipv4: 7332793640 dns-udp-responses-sent-ipv6: 777285207 dns-tcp-responses-sent-ipv4: 76656423 dns-tcp-responses-sent-ipv6: 10164261