--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6246214176 dns-udp-queries-received-ipv6: 1336871528 dns-tcp-queries-received-ipv4: 202928461 dns-tcp-queries-received-ipv6: 40978539 dns-udp-responses-sent-ipv4: 6094313589 dns-udp-responses-sent-ipv6: 1336305180 dns-tcp-responses-sent-ipv4: 198916603 dns-tcp-responses-sent-ipv6: 42467911