--- version: rssac002v3 service: a.root-servers.net start-period: '2020-07-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7980841195 dns-udp-queries-received-ipv6: 1552839219 dns-tcp-queries-received-ipv4: 234474461 dns-tcp-queries-received-ipv6: 74035160 dns-udp-responses-sent-ipv4: 7749127465 dns-udp-responses-sent-ipv6: 1550698348 dns-tcp-responses-sent-ipv4: 216530415 dns-tcp-responses-sent-ipv6: 74481903