--- version: rssac002v3 service: a.root-servers.net start-period: '2017-09-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3860753077 dns-udp-queries-received-ipv6: 433396904 dns-tcp-queries-received-ipv4: 152239461 dns-tcp-queries-received-ipv6: 12022621 dns-udp-responses-sent-ipv4: 3857856465 dns-udp-responses-sent-ipv6: 433378513 dns-tcp-responses-sent-ipv4: 151479398 dns-tcp-responses-sent-ipv6: 12168185