--- version: rssac002v3 service: a.root-servers.net start-period: '2017-09-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3068920559 dns-udp-queries-received-ipv6: 390836820 dns-tcp-queries-received-ipv4: 117650829 dns-tcp-queries-received-ipv6: 10090419 dns-udp-responses-sent-ipv4: 3066476406 dns-udp-responses-sent-ipv6: 390792589 dns-tcp-responses-sent-ipv4: 117020363 dns-tcp-responses-sent-ipv6: 10183898