--- version: rssac002v3 service: a.root-servers.net start-period: '2018-11-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4543282456 dns-udp-queries-received-ipv6: 665523764 dns-tcp-queries-received-ipv4: 141996607 dns-tcp-queries-received-ipv6: 29280882 dns-udp-responses-sent-ipv4: 4440043651 dns-udp-responses-sent-ipv6: 664992941 dns-tcp-responses-sent-ipv4: 140621381 dns-tcp-responses-sent-ipv6: 29414266