--- version: rssac002v3 service: i.root-servers.net start-period: '2018-01-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5085189214 dns-udp-queries-received-ipv6: 627265493 dns-tcp-queries-received-ipv4: 90024062 dns-tcp-queries-received-ipv6: 12833545 dns-udp-responses-sent-ipv4: 5155928547 dns-udp-responses-sent-ipv6: 673962581 dns-tcp-responses-sent-ipv4: 89991821 dns-tcp-responses-sent-ipv6: 12799251