--- version: rssac002v3 service: d.root-servers.net start-period: '2018-04-16T00:00:00Z' end-period: '2018-04-16T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3864212815 dns-udp-queries-received-ipv6: 573430247 dns-tcp-queries-received-ipv4: 103482169 dns-tcp-queries-received-ipv6: 14612629 dns-udp-responses-sent-ipv4: 3864132247 dns-udp-responses-sent-ipv6: 573304532 dns-tcp-responses-sent-ipv4: 103413785 dns-tcp-responses-sent-ipv6: 14611088