--- version: rssac002v3 service: a.root-servers.net start-period: '2018-07-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4191247090 dns-udp-queries-received-ipv6: 455714945 dns-tcp-queries-received-ipv4: 122539165 dns-tcp-queries-received-ipv6: 19029831 dns-udp-responses-sent-ipv4: 4097077040 dns-udp-responses-sent-ipv6: 455224356 dns-tcp-responses-sent-ipv4: 119465542 dns-tcp-responses-sent-ipv6: 19038984