--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4017523584 dns-udp-queries-received-ipv6: 389117140 dns-tcp-queries-received-ipv4: 146700130 dns-tcp-queries-received-ipv6: 9529616 dns-udp-responses-sent-ipv4: 4016090956 dns-udp-responses-sent-ipv6: 389092912 dns-tcp-responses-sent-ipv4: 146545964 dns-tcp-responses-sent-ipv6: 9617357