--- version: rssac002v3 service: i.root-servers.net start-period: '2018-07-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5871256084 dns-udp-queries-received-ipv6: 1013159728 dns-tcp-queries-received-ipv4: 130001069 dns-tcp-queries-received-ipv6: 21941918 dns-udp-responses-sent-ipv4: 5854907832 dns-udp-responses-sent-ipv6: 1012167773 dns-tcp-responses-sent-ipv4: 127150441 dns-tcp-responses-sent-ipv6: 21750807