--- version: rssac002v3 service: i.root-servers.net start-period: '2016-06-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6241180305 dns-udp-queries-received-ipv6: 503219707 dns-tcp-queries-received-ipv4: 17780385 dns-tcp-queries-received-ipv6: 630424 dns-udp-responses-sent-ipv4: 6218045853 dns-udp-responses-sent-ipv6: 503275338 dns-tcp-responses-sent-ipv4: 18111508 dns-tcp-responses-sent-ipv6: 636558