--- version: rssac002v3 service: i.root-servers.net start-period: '2017-03-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6005743228 dns-udp-queries-received-ipv6: 811622585 dns-tcp-queries-received-ipv4: 75196962 dns-tcp-queries-received-ipv6: 6976581 dns-udp-responses-sent-ipv4: 5977780433 dns-udp-responses-sent-ipv6: 811316581 dns-tcp-responses-sent-ipv4: 76520440 dns-tcp-responses-sent-ipv6: 7019482