--- version: rssac002v3 service: i.root-servers.net start-period: '2019-06-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 77402306 dns-udp-queries-received-ipv6: 13896187 dns-tcp-queries-received-ipv4: 1720993 dns-tcp-queries-received-ipv6: 42292 dns-udp-responses-sent-ipv4: 77969224 dns-udp-responses-sent-ipv6: 13896174 dns-tcp-responses-sent-ipv4: 1744007 dns-tcp-responses-sent-ipv6: 42338