--- version: rssac002v3 service: a.root-servers.net start-period: '2020-02-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7657752565 dns-udp-queries-received-ipv6: 1032694124 dns-tcp-queries-received-ipv4: 293560273 dns-tcp-queries-received-ipv6: 75821568 dns-udp-responses-sent-ipv4: 7465578215 dns-udp-responses-sent-ipv6: 1028897354 dns-tcp-responses-sent-ipv4: 279004955 dns-tcp-responses-sent-ipv6: 75880270