--- version: rssac002v3 service: a.root-servers.net start-period: '2020-11-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7233544560 dns-udp-queries-received-ipv6: 1393056121 dns-tcp-queries-received-ipv4: 281869395 dns-tcp-queries-received-ipv6: 97824639 dns-udp-responses-sent-ipv4: 7040005684 dns-udp-responses-sent-ipv6: 1391260747 dns-tcp-responses-sent-ipv4: 270433248 dns-tcp-responses-sent-ipv6: 98472970