--- version: rssac002v3 service: a.root-servers.net start-period: '2017-10-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3384503665 dns-udp-queries-received-ipv6: 405412757 dns-tcp-queries-received-ipv4: 137812338 dns-tcp-queries-received-ipv6: 11186332 dns-udp-responses-sent-ipv4: 3382211145 dns-udp-responses-sent-ipv6: 405402710 dns-tcp-responses-sent-ipv4: 137870910 dns-tcp-responses-sent-ipv6: 11333756