--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4030124584 dns-udp-queries-received-ipv6: 390837692 dns-tcp-queries-received-ipv4: 165494838 dns-tcp-queries-received-ipv6: 9188691 dns-udp-responses-sent-ipv4: 4028934314 dns-udp-responses-sent-ipv6: 390806931 dns-tcp-responses-sent-ipv4: 165362154 dns-tcp-responses-sent-ipv6: 9286437