--- version: rssac002v3 service: a.root-servers.net start-period: '2017-08-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4024992928 dns-udp-queries-received-ipv6: 367413558 dns-tcp-queries-received-ipv4: 136648852 dns-tcp-queries-received-ipv6: 10169975 dns-udp-responses-sent-ipv4: 4022698514 dns-udp-responses-sent-ipv6: 367400500 dns-tcp-responses-sent-ipv4: 136668458 dns-tcp-responses-sent-ipv6: 10192162