--- version: rssac002v3 service: i.root-servers.net start-period: '2016-12-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7253974327 dns-udp-queries-received-ipv6: 742648238 dns-tcp-queries-received-ipv4: 75116442 dns-tcp-queries-received-ipv6: 8279448 dns-udp-responses-sent-ipv4: 7365362423 dns-udp-responses-sent-ipv6: 742628368 dns-tcp-responses-sent-ipv4: 77496238 dns-tcp-responses-sent-ipv6: 8260677