--- version: rssac002v3 service: i.root-servers.net start-period: '2016-06-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6005669848 dns-udp-queries-received-ipv6: 475906664 dns-tcp-queries-received-ipv4: 20223055 dns-tcp-queries-received-ipv6: 831767 dns-udp-responses-sent-ipv4: 5985338665 dns-udp-responses-sent-ipv6: 475590171 dns-tcp-responses-sent-ipv4: 20653622 dns-tcp-responses-sent-ipv6: 832345