--- version: rssac002v3 service: a.root-servers.net start-period: '2017-09-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3866647466 dns-udp-queries-received-ipv6: 431357502 dns-tcp-queries-received-ipv4: 147546140 dns-tcp-queries-received-ipv6: 11553428 dns-udp-responses-sent-ipv4: 3863903681 dns-udp-responses-sent-ipv6: 428520172 dns-tcp-responses-sent-ipv4: 146915947 dns-tcp-responses-sent-ipv6: 11674753