--- version: rssac002v3 service: a.root-servers.net start-period: '2017-05-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4359709320 dns-udp-queries-received-ipv6: 373842293 dns-tcp-queries-received-ipv4: 163551828 dns-tcp-queries-received-ipv6: 8320175 dns-udp-responses-sent-ipv4: 4357853866 dns-udp-responses-sent-ipv6: 373731319 dns-tcp-responses-sent-ipv4: 163420192 dns-tcp-responses-sent-ipv6: 8411545