--- version: rssac002v3 service: a.root-servers.net start-period: '2017-09-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4146084169 dns-udp-queries-received-ipv6: 427569863 dns-tcp-queries-received-ipv4: 125345659 dns-tcp-queries-received-ipv6: 10978454 dns-udp-responses-sent-ipv4: 4143686684 dns-udp-responses-sent-ipv6: 427546733 dns-tcp-responses-sent-ipv4: 125530681 dns-tcp-responses-sent-ipv6: 11080897