--- version: rssac002v3 service: a.root-servers.net start-period: '2017-08-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3265026335 dns-udp-queries-received-ipv6: 346625081 dns-tcp-queries-received-ipv4: 124890371 dns-tcp-queries-received-ipv6: 9729887 dns-udp-responses-sent-ipv4: 3263538221 dns-udp-responses-sent-ipv6: 346614487 dns-tcp-responses-sent-ipv4: 124817993 dns-tcp-responses-sent-ipv6: 9739970