--- version: rssac002v3 service: a.root-servers.net start-period: '2017-04-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4167137122 dns-udp-queries-received-ipv6: 431271039 dns-tcp-queries-received-ipv4: 189120889 dns-tcp-queries-received-ipv6: 8071875 dns-udp-responses-sent-ipv4: 4162059795 dns-udp-responses-sent-ipv6: 431197141 dns-tcp-responses-sent-ipv4: 189526540 dns-tcp-responses-sent-ipv6: 8211085