--- version: rssac002v3 service: a.root-servers.net start-period: '2019-08-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6048209667 dns-udp-queries-received-ipv6: 1219178781 dns-tcp-queries-received-ipv4: 174282370 dns-tcp-queries-received-ipv6: 32900282 dns-udp-responses-sent-ipv4: 5902775129 dns-udp-responses-sent-ipv6: 1218677619 dns-tcp-responses-sent-ipv4: 168687040 dns-tcp-responses-sent-ipv6: 33799874