--- version: rssac002v3 service: a.root-servers.net start-period: '2017-09-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3603804800 dns-udp-queries-received-ipv6: 427193047 dns-tcp-queries-received-ipv4: 139428433 dns-tcp-queries-received-ipv6: 11717729 dns-udp-responses-sent-ipv4: 3599368209 dns-udp-responses-sent-ipv6: 427184264 dns-tcp-responses-sent-ipv4: 138688440 dns-tcp-responses-sent-ipv6: 11857934