--- version: rssac002v3 service: i.root-servers.net start-period: '2020-06-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6616421001 dns-udp-queries-received-ipv6: 1343825546 dns-tcp-queries-received-ipv4: 746798336 dns-tcp-queries-received-ipv6: 192418237 dns-udp-responses-sent-ipv4: 5278215538 dns-udp-responses-sent-ipv6: 1189764462 dns-tcp-responses-sent-ipv4: 625878175 dns-tcp-responses-sent-ipv6: 173222208