--- version: rssac002v3 service: a.root-servers.net start-period: '2017-11-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4187756193 dns-udp-queries-received-ipv6: 438548201 dns-tcp-queries-received-ipv4: 220230146 dns-tcp-queries-received-ipv6: 13209899 dns-udp-responses-sent-ipv4: 4185410606 dns-udp-responses-sent-ipv6: 438424661 dns-tcp-responses-sent-ipv4: 221158711 dns-tcp-responses-sent-ipv6: 13314335