--- version: rssac002v3 service: i.root-servers.net start-period: '2018-05-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6338085525 dns-udp-queries-received-ipv6: 787680172 dns-tcp-queries-received-ipv4: 144948742 dns-tcp-queries-received-ipv6: 19531278 dns-udp-responses-sent-ipv4: 6237007092 dns-udp-responses-sent-ipv6: 798833173 dns-tcp-responses-sent-ipv4: 142174576 dns-tcp-responses-sent-ipv6: 19594484