--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6889006389 dns-udp-queries-received-ipv6: 1362236556 dns-tcp-queries-received-ipv4: 190514798 dns-tcp-queries-received-ipv6: 43921967 dns-udp-responses-sent-ipv4: 6527041225 dns-udp-responses-sent-ipv6: 1361344765 dns-tcp-responses-sent-ipv4: 187553908 dns-tcp-responses-sent-ipv6: 44138578