--- version: rssac002v3 service: a.root-servers.net start-period: '2017-08-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3873616256 dns-udp-queries-received-ipv6: 379500138 dns-tcp-queries-received-ipv4: 141321716 dns-tcp-queries-received-ipv6: 11479303 dns-udp-responses-sent-ipv4: 3871006965 dns-udp-responses-sent-ipv6: 379348930 dns-tcp-responses-sent-ipv4: 141178458 dns-tcp-responses-sent-ipv6: 11495030