--- version: rssac002v3 service: a.root-servers.net start-period: '2017-09-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4948117787 dns-udp-queries-received-ipv6: 426375626 dns-tcp-queries-received-ipv4: 141860951 dns-tcp-queries-received-ipv6: 11567730 dns-udp-responses-sent-ipv4: 4944110364 dns-udp-responses-sent-ipv6: 425515658 dns-tcp-responses-sent-ipv4: 141356979 dns-tcp-responses-sent-ipv6: 11694741