--- version: rssac002v3 service: a.root-servers.net start-period: '2017-09-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3951325230 dns-udp-queries-received-ipv6: 409565919 dns-tcp-queries-received-ipv4: 129371881 dns-tcp-queries-received-ipv6: 10762119 dns-udp-responses-sent-ipv4: 3948301116 dns-udp-responses-sent-ipv6: 409509790 dns-tcp-responses-sent-ipv4: 128869614 dns-tcp-responses-sent-ipv6: 10856382