--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5535877238 dns-udp-queries-received-ipv6: 709645617 dns-tcp-queries-received-ipv4: 117170935 dns-tcp-queries-received-ipv6: 13353308 dns-udp-responses-sent-ipv4: 5593131682 dns-udp-responses-sent-ipv6: 704470389 dns-tcp-responses-sent-ipv4: 115654774 dns-tcp-responses-sent-ipv6: 13363947