--- version: rssac002v3 service: a.root-servers.net start-period: '2017-10-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3683645764 dns-udp-queries-received-ipv6: 438692326 dns-tcp-queries-received-ipv4: 173904486 dns-tcp-queries-received-ipv6: 10862675 dns-udp-responses-sent-ipv4: 3681243454 dns-udp-responses-sent-ipv6: 438694243 dns-tcp-responses-sent-ipv4: 174132478 dns-tcp-responses-sent-ipv6: 10955053