--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5245595632 dns-udp-queries-received-ipv6: 693446130 dns-tcp-queries-received-ipv4: 128164926 dns-tcp-queries-received-ipv6: 13782189 dns-udp-responses-sent-ipv4: 5297065740 dns-udp-responses-sent-ipv6: 688279365 dns-tcp-responses-sent-ipv4: 126331760 dns-tcp-responses-sent-ipv6: 13710288