--- version: rssac002v3 service: a.root-servers.net start-period: '2018-08-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4349435499 dns-udp-queries-received-ipv6: 575648290 dns-tcp-queries-received-ipv4: 113444244 dns-tcp-queries-received-ipv6: 18896430 dns-udp-responses-sent-ipv4: 4254494498 dns-udp-responses-sent-ipv6: 575320131 dns-tcp-responses-sent-ipv4: 110137398 dns-tcp-responses-sent-ipv6: 18856262