--- version: rssac002v3 service: i.root-servers.net start-period: '2018-06-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4764377240 dns-udp-queries-received-ipv6: 1045258813 dns-tcp-queries-received-ipv4: 105323584 dns-tcp-queries-received-ipv6: 17089428 dns-udp-responses-sent-ipv4: 4816634940 dns-udp-responses-sent-ipv6: 909303011 dns-tcp-responses-sent-ipv4: 102563942 dns-tcp-responses-sent-ipv6: 17043658