--- version: rssac002v3 service: i.root-servers.net start-period: '2018-04-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5926657506 dns-udp-queries-received-ipv6: 812057142 dns-tcp-queries-received-ipv4: 115963030 dns-tcp-queries-received-ipv6: 15849955 dns-udp-responses-sent-ipv4: 5932885939 dns-udp-responses-sent-ipv6: 812647750 dns-tcp-responses-sent-ipv4: 114077994 dns-tcp-responses-sent-ipv6: 15864326