--- version: rssac002v3 service: i.root-servers.net start-period: '2018-07-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5730379907 dns-udp-queries-received-ipv6: 993534758 dns-tcp-queries-received-ipv4: 135247154 dns-tcp-queries-received-ipv6: 20615696 dns-udp-responses-sent-ipv4: 5720966720 dns-udp-responses-sent-ipv6: 992815202 dns-tcp-responses-sent-ipv4: 131986664 dns-tcp-responses-sent-ipv6: 20356272