--- version: rssac002v3 service: a.root-servers.net start-period: '2017-11-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4227085194 dns-udp-queries-received-ipv6: 425546830 dns-tcp-queries-received-ipv4: 202162161 dns-tcp-queries-received-ipv6: 12631151 dns-udp-responses-sent-ipv4: 4225833811 dns-udp-responses-sent-ipv6: 425496806 dns-tcp-responses-sent-ipv4: 202734966 dns-tcp-responses-sent-ipv6: 12749006