--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3561979287 dns-udp-queries-received-ipv6: 374746789 dns-tcp-queries-received-ipv4: 149164952 dns-tcp-queries-received-ipv6: 8469294 dns-udp-responses-sent-ipv4: 3561273126 dns-udp-responses-sent-ipv6: 374736434 dns-tcp-responses-sent-ipv4: 149240045 dns-tcp-responses-sent-ipv6: 8593122