--- version: rssac002v3 service: i.root-servers.net start-period: '2019-06-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 89681005 dns-udp-queries-received-ipv6: 16125143 dns-tcp-queries-received-ipv4: 1934068 dns-tcp-queries-received-ipv6: 43017 dns-udp-responses-sent-ipv4: 92618692 dns-udp-responses-sent-ipv6: 16125138 dns-tcp-responses-sent-ipv4: 1965691 dns-tcp-responses-sent-ipv6: 43081