--- version: rssac002v3 service: i.root-servers.net start-period: '2021-02-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5311058093 dns-udp-queries-received-ipv6: 991074788 dns-tcp-queries-received-ipv4: 511086364 dns-tcp-queries-received-ipv6: 134970912 dns-udp-responses-sent-ipv4: 4274326272 dns-udp-responses-sent-ipv6: 913788299 dns-tcp-responses-sent-ipv4: 376338410 dns-tcp-responses-sent-ipv6: 121877385