--- version: rssac002v3 service: d.root-servers.net start-period: '2018-04-13T00:00:00Z' end-period: '2018-04-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3862348843 dns-udp-queries-received-ipv6: 568581386 dns-tcp-queries-received-ipv4: 99794217 dns-tcp-queries-received-ipv6: 15336912 dns-udp-responses-sent-ipv4: 3862125615 dns-udp-responses-sent-ipv6: 568452279 dns-tcp-responses-sent-ipv4: 99731487 dns-tcp-responses-sent-ipv6: 15335045