--- version: rssac002v3 service: a.root-servers.net start-period: '2017-09-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3937947164 dns-udp-queries-received-ipv6: 428834485 dns-tcp-queries-received-ipv4: 141597807 dns-tcp-queries-received-ipv6: 10742642 dns-udp-responses-sent-ipv4: 3935199374 dns-udp-responses-sent-ipv6: 428806656 dns-tcp-responses-sent-ipv4: 141321647 dns-tcp-responses-sent-ipv6: 10838511