--- version: rssac002v3 service: a.root-servers.net start-period: '2018-08-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4048854471 dns-udp-queries-received-ipv6: 529853034 dns-tcp-queries-received-ipv4: 112154459 dns-tcp-queries-received-ipv6: 18714235 dns-udp-responses-sent-ipv4: 3954042335 dns-udp-responses-sent-ipv6: 529539331 dns-tcp-responses-sent-ipv4: 108780445 dns-tcp-responses-sent-ipv6: 18724261