--- version: rssac002v3 service: a.root-servers.net start-period: '2018-02-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3643187957 dns-udp-queries-received-ipv6: 412656135 dns-tcp-queries-received-ipv4: 143971008 dns-tcp-queries-received-ipv6: 18264361 dns-udp-responses-sent-ipv4: 3635033634 dns-udp-responses-sent-ipv6: 412620407 dns-tcp-responses-sent-ipv4: 143395445 dns-tcp-responses-sent-ipv6: 18361766