--- version: rssac002v3 service: a.root-servers.net start-period: '2017-08-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3374819546 dns-udp-queries-received-ipv6: 388838217 dns-tcp-queries-received-ipv4: 113143550 dns-tcp-queries-received-ipv6: 10469993 dns-udp-responses-sent-ipv4: 3371365750 dns-udp-responses-sent-ipv6: 388819517 dns-tcp-responses-sent-ipv4: 112232538 dns-tcp-responses-sent-ipv6: 10447839