--- version: rssac002v3 service: a.root-servers.net start-period: '2018-08-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3618125644 dns-udp-queries-received-ipv6: 470976143 dns-tcp-queries-received-ipv4: 103184530 dns-tcp-queries-received-ipv6: 17745272 dns-udp-responses-sent-ipv4: 3536091156 dns-udp-responses-sent-ipv6: 470688636 dns-tcp-responses-sent-ipv4: 99914457 dns-tcp-responses-sent-ipv6: 17757119