--- version: rssac002v3 service: i.root-servers.net start-period: '2019-06-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 82275115 dns-udp-queries-received-ipv6: 18609085 dns-tcp-queries-received-ipv4: 1841881 dns-tcp-queries-received-ipv6: 44222 dns-udp-responses-sent-ipv4: 86348560 dns-udp-responses-sent-ipv6: 18609084 dns-tcp-responses-sent-ipv4: 1871667 dns-tcp-responses-sent-ipv6: 44282