--- version: rssac002v3 service: i.root-servers.net start-period: '2019-07-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 90294311 dns-udp-queries-received-ipv6: 21226742 dns-tcp-queries-received-ipv4: 1738060 dns-tcp-queries-received-ipv6: 45027 dns-udp-responses-sent-ipv4: 94133890 dns-udp-responses-sent-ipv6: 21226741 dns-tcp-responses-sent-ipv4: 1768024 dns-tcp-responses-sent-ipv6: 45093