--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3746457729 dns-udp-queries-received-ipv6: 385355713 dns-tcp-queries-received-ipv4: 158446349 dns-tcp-queries-received-ipv6: 9835257 dns-udp-responses-sent-ipv4: 3742480733 dns-udp-responses-sent-ipv6: 385325709 dns-tcp-responses-sent-ipv4: 158228947 dns-tcp-responses-sent-ipv6: 9893896