--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4053065225 dns-udp-queries-received-ipv6: 394270460 dns-tcp-queries-received-ipv4: 149629863 dns-tcp-queries-received-ipv6: 9229778 dns-udp-responses-sent-ipv4: 4052364788 dns-udp-responses-sent-ipv6: 394251159 dns-tcp-responses-sent-ipv4: 150093775 dns-tcp-responses-sent-ipv6: 9348525