--- version: rssac002v3 service: a.root-servers.net start-period: '2019-11-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6397127482 dns-udp-queries-received-ipv6: 1407399709 dns-tcp-queries-received-ipv4: 223027259 dns-tcp-queries-received-ipv6: 76677062 dns-udp-responses-sent-ipv4: 6223061622 dns-udp-responses-sent-ipv6: 1406087176 dns-tcp-responses-sent-ipv4: 219193774 dns-tcp-responses-sent-ipv6: 77013500