--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8417450947 dns-udp-queries-received-ipv6: 1791698874 dns-tcp-queries-received-ipv4: 218349026 dns-tcp-queries-received-ipv6: 58266995 dns-udp-responses-sent-ipv4: 8210629167 dns-udp-responses-sent-ipv6: 1780462542 dns-tcp-responses-sent-ipv4: 214028761 dns-tcp-responses-sent-ipv6: 58484903