--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6413436624 dns-udp-queries-received-ipv6: 1360256720 dns-tcp-queries-received-ipv4: 211086386 dns-tcp-queries-received-ipv6: 41636899 dns-udp-responses-sent-ipv4: 6256903383 dns-udp-responses-sent-ipv6: 1359775280 dns-tcp-responses-sent-ipv4: 206277419 dns-tcp-responses-sent-ipv6: 43174374