--- version: rssac002v3 service: a.root-servers.net start-period: '2019-08-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6552770457 dns-udp-queries-received-ipv6: 1342209335 dns-tcp-queries-received-ipv4: 184376529 dns-tcp-queries-received-ipv6: 34253685 dns-udp-responses-sent-ipv4: 6391697210 dns-udp-responses-sent-ipv6: 1341170729 dns-tcp-responses-sent-ipv4: 179086249 dns-tcp-responses-sent-ipv6: 34998217