--- version: rssac002v3 service: a.root-servers.net start-period: '2020-07-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8052220926 dns-udp-queries-received-ipv6: 1791664199 dns-tcp-queries-received-ipv4: 250817388 dns-tcp-queries-received-ipv6: 88846944 dns-udp-responses-sent-ipv4: 7818435985 dns-udp-responses-sent-ipv6: 1789357585 dns-tcp-responses-sent-ipv4: 238168476 dns-tcp-responses-sent-ipv6: 89302147