--- version: rssac002v3 service: a.root-servers.net start-period: '2019-08-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5982570275 dns-udp-queries-received-ipv6: 1074899849 dns-tcp-queries-received-ipv4: 195720758 dns-tcp-queries-received-ipv6: 29915476 dns-udp-responses-sent-ipv4: 5826207838 dns-udp-responses-sent-ipv6: 1074401227 dns-tcp-responses-sent-ipv4: 190241443 dns-tcp-responses-sent-ipv6: 30560929