--- version: rssac002v3 service: i.root-servers.net start-period: '2020-06-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6580060314 dns-udp-queries-received-ipv6: 1303974152 dns-tcp-queries-received-ipv4: 704624835 dns-tcp-queries-received-ipv6: 180453308 dns-udp-responses-sent-ipv4: 5377779772 dns-udp-responses-sent-ipv6: 1174596551 dns-tcp-responses-sent-ipv4: 633178712 dns-tcp-responses-sent-ipv6: 166400511