--- version: rssac002v3 service: a.root-servers.net start-period: '2017-11-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3886437327 dns-udp-queries-received-ipv6: 405266386 dns-tcp-queries-received-ipv4: 133076300 dns-tcp-queries-received-ipv6: 12863935 dns-udp-responses-sent-ipv4: 3883461800 dns-udp-responses-sent-ipv6: 405226935 dns-tcp-responses-sent-ipv4: 133516231 dns-tcp-responses-sent-ipv6: 12956680