--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3463885808 dns-udp-queries-received-ipv6: 360481850 dns-tcp-queries-received-ipv4: 175362026 dns-tcp-queries-received-ipv6: 10101546 dns-udp-responses-sent-ipv4: 3461479910 dns-udp-responses-sent-ipv6: 360417703 dns-tcp-responses-sent-ipv4: 175166412 dns-tcp-responses-sent-ipv6: 10155821