--- version: rssac002v3 service: i.root-servers.net start-period: '2017-06-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5102444971 dns-udp-queries-received-ipv6: 658793504 dns-tcp-queries-received-ipv4: 61045185 dns-tcp-queries-received-ipv6: 8829466 dns-udp-responses-sent-ipv4: 5086914472 dns-udp-responses-sent-ipv6: 658712642 dns-tcp-responses-sent-ipv4: 61880816 dns-tcp-responses-sent-ipv6: 9030561