--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6028352198 dns-udp-queries-received-ipv6: 1356816894 dns-tcp-queries-received-ipv4: 185137447 dns-tcp-queries-received-ipv6: 44034711 dns-udp-responses-sent-ipv4: 5883413551 dns-udp-responses-sent-ipv6: 1356223704 dns-tcp-responses-sent-ipv4: 180606171 dns-tcp-responses-sent-ipv6: 44238604