--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4065949245 dns-udp-queries-received-ipv6: 404958206 dns-tcp-queries-received-ipv4: 170467245 dns-tcp-queries-received-ipv6: 9667712 dns-udp-responses-sent-ipv4: 4064655629 dns-udp-responses-sent-ipv6: 404919599 dns-tcp-responses-sent-ipv4: 170725981 dns-tcp-responses-sent-ipv6: 9789741