--- version: rssac002v3 service: i.root-servers.net start-period: '2016-12-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5994902857 dns-udp-queries-received-ipv6: 724179008 dns-tcp-queries-received-ipv4: 61374971 dns-tcp-queries-received-ipv6: 6356687 dns-udp-responses-sent-ipv4: 6108567669 dns-udp-responses-sent-ipv6: 723927016 dns-tcp-responses-sent-ipv4: 62826804 dns-tcp-responses-sent-ipv6: 6379274