--- version: rssac002v3 service: i.root-servers.net start-period: '2019-06-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 82704024 dns-udp-queries-received-ipv6: 19187514 dns-tcp-queries-received-ipv4: 1719018 dns-tcp-queries-received-ipv6: 43621 dns-udp-responses-sent-ipv4: 86741611 dns-udp-responses-sent-ipv6: 19187515 dns-tcp-responses-sent-ipv4: 1747444 dns-tcp-responses-sent-ipv6: 43680