--- version: rssac002v3 service: a.root-servers.net start-period: '2017-10-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3138790992 dns-udp-queries-received-ipv6: 405296794 dns-tcp-queries-received-ipv4: 165597962 dns-tcp-queries-received-ipv6: 11351031 dns-udp-responses-sent-ipv4: 3127041128 dns-udp-responses-sent-ipv6: 402948133 dns-tcp-responses-sent-ipv4: 164946561 dns-tcp-responses-sent-ipv6: 11209429