--- version: rssac002v3 service: a.root-servers.net start-period: '2017-09-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3988304709 dns-udp-queries-received-ipv6: 436446901 dns-tcp-queries-received-ipv4: 138337087 dns-tcp-queries-received-ipv6: 11354553 dns-udp-responses-sent-ipv4: 3985597668 dns-udp-responses-sent-ipv6: 436341303 dns-tcp-responses-sent-ipv4: 138206325 dns-tcp-responses-sent-ipv6: 11475113