--- version: rssac002v3 service: i.root-servers.net start-period: '2017-04-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5882896378 dns-udp-queries-received-ipv6: 744904552 dns-tcp-queries-received-ipv4: 83198193 dns-tcp-queries-received-ipv6: 8596797 dns-udp-responses-sent-ipv4: 5879593640 dns-udp-responses-sent-ipv6: 744774160 dns-tcp-responses-sent-ipv4: 84910466 dns-tcp-responses-sent-ipv6: 8770452