--- version: rssac002v3 service: a.root-servers.net start-period: '2018-08-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3891150554 dns-udp-queries-received-ipv6: 592222185 dns-tcp-queries-received-ipv4: 116801151 dns-tcp-queries-received-ipv6: 21578509 dns-udp-responses-sent-ipv4: 3789157040 dns-udp-responses-sent-ipv6: 591736321 dns-tcp-responses-sent-ipv4: 112826269 dns-tcp-responses-sent-ipv6: 21627541