--- version: rssac002v3 service: i.root-servers.net start-period: '2017-04-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5778906393 dns-udp-queries-received-ipv6: 653335085 dns-tcp-queries-received-ipv4: 77224371 dns-tcp-queries-received-ipv6: 8402207 dns-udp-responses-sent-ipv4: 5800663846 dns-udp-responses-sent-ipv6: 653391577 dns-tcp-responses-sent-ipv4: 79187344 dns-tcp-responses-sent-ipv6: 8536877