--- version: rssac002v3 service: a.root-servers.net start-period: '2017-08-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3689935593 dns-udp-queries-received-ipv6: 383463736 dns-tcp-queries-received-ipv4: 142877113 dns-tcp-queries-received-ipv6: 11708430 dns-udp-responses-sent-ipv4: 3687733920 dns-udp-responses-sent-ipv6: 383428015 dns-tcp-responses-sent-ipv4: 142700241 dns-tcp-responses-sent-ipv6: 11760081