--- version: rssac002v3 service: a.root-servers.net start-period: '2018-08-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3324047609 dns-udp-queries-received-ipv6: 472747236 dns-tcp-queries-received-ipv4: 101700262 dns-tcp-queries-received-ipv6: 19627643 dns-udp-responses-sent-ipv4: 3237312645 dns-udp-responses-sent-ipv6: 472497620 dns-tcp-responses-sent-ipv4: 97803731 dns-tcp-responses-sent-ipv6: 19672330