--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3748995548 dns-udp-queries-received-ipv6: 367577809 dns-tcp-queries-received-ipv4: 153566730 dns-tcp-queries-received-ipv6: 8999550 dns-udp-responses-sent-ipv4: 3747701736 dns-udp-responses-sent-ipv6: 367559468 dns-tcp-responses-sent-ipv4: 153330119 dns-tcp-responses-sent-ipv6: 9082811