--- version: rssac002v3 service: i.root-servers.net start-period: '2020-06-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6688559641 dns-udp-queries-received-ipv6: 1353021014 dns-tcp-queries-received-ipv4: 741978556 dns-tcp-queries-received-ipv6: 182702059 dns-udp-responses-sent-ipv4: 5235039373 dns-udp-responses-sent-ipv6: 1175127623 dns-tcp-responses-sent-ipv4: 636018782 dns-tcp-responses-sent-ipv6: 164303580