--- version: rssac002v3 service: i.root-servers.net start-period: '2017-05-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5374449672 dns-udp-queries-received-ipv6: 638749213 dns-tcp-queries-received-ipv4: 71837839 dns-tcp-queries-received-ipv6: 8241254 dns-udp-responses-sent-ipv4: 5370912102 dns-udp-responses-sent-ipv6: 639418531 dns-tcp-responses-sent-ipv4: 73197552 dns-tcp-responses-sent-ipv6: 8347134