--- version: rssac002v3 service: a.root-servers.net start-period: '2019-08-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5988150588 dns-udp-queries-received-ipv6: 1284732169 dns-tcp-queries-received-ipv4: 167385474 dns-tcp-queries-received-ipv6: 32825703 dns-udp-responses-sent-ipv4: 5848084010 dns-udp-responses-sent-ipv6: 1284210265 dns-tcp-responses-sent-ipv4: 162683026 dns-tcp-responses-sent-ipv6: 33536309