--- version: rssac002v3 service: a.root-servers.net start-period: '2018-10-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4290812906 dns-udp-queries-received-ipv6: 651713944 dns-tcp-queries-received-ipv4: 112154717 dns-tcp-queries-received-ipv6: 25946427 dns-udp-responses-sent-ipv4: 4170121352 dns-udp-responses-sent-ipv6: 651392247 dns-tcp-responses-sent-ipv4: 109381281 dns-tcp-responses-sent-ipv6: 26021878