--- version: rssac002v3 service: a.root-servers.net start-period: '2017-05-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4105404172 dns-udp-queries-received-ipv6: 385518327 dns-tcp-queries-received-ipv4: 166068341 dns-tcp-queries-received-ipv6: 8300196 dns-udp-responses-sent-ipv4: 4102677768 dns-udp-responses-sent-ipv6: 385325978 dns-tcp-responses-sent-ipv4: 166225032 dns-tcp-responses-sent-ipv6: 8396123