--- version: rssac002v3 service: a.root-servers.net start-period: '2019-08-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6380715281 dns-udp-queries-received-ipv6: 1176168652 dns-tcp-queries-received-ipv4: 181624638 dns-tcp-queries-received-ipv6: 33529650 dns-udp-responses-sent-ipv4: 6209207146 dns-udp-responses-sent-ipv6: 1175377470 dns-tcp-responses-sent-ipv4: 176376124 dns-tcp-responses-sent-ipv6: 34405338