--- version: rssac002v3 service: a.root-servers.net start-period: '2017-06-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3737098899 dns-udp-queries-received-ipv6: 383533826 dns-tcp-queries-received-ipv4: 167558946 dns-tcp-queries-received-ipv6: 9382600 dns-udp-responses-sent-ipv4: 3734436505 dns-udp-responses-sent-ipv6: 383510562 dns-tcp-responses-sent-ipv4: 167470738 dns-tcp-responses-sent-ipv6: 9498496