--- version: rssac002v3 service: i.root-servers.net start-period: '2018-05-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5911585121 dns-udp-queries-received-ipv6: 778036989 dns-tcp-queries-received-ipv4: 138385582 dns-tcp-queries-received-ipv6: 17386897 dns-udp-responses-sent-ipv4: 5890250314 dns-udp-responses-sent-ipv6: 777224376 dns-tcp-responses-sent-ipv4: 135124078 dns-tcp-responses-sent-ipv6: 17220747