--- version: rssac002v3 service: d.root-servers.net start-period: '2018-04-06T00:00:00Z' end-period: '2018-04-06T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3901848250 dns-udp-queries-received-ipv6: 621215122 dns-tcp-queries-received-ipv4: 92130796 dns-tcp-queries-received-ipv6: 14418702 dns-udp-responses-sent-ipv4: 3900929732 dns-udp-responses-sent-ipv6: 621080558 dns-tcp-responses-sent-ipv4: 92101224 dns-tcp-responses-sent-ipv6: 14417862