--- version: rssac002v3 service: d.root-servers.net start-period: '2018-06-18T00:00:00Z' end-period: '2018-06-18T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4837836958 dns-udp-queries-received-ipv6: 636898901 dns-tcp-queries-received-ipv4: 192038837 dns-tcp-queries-received-ipv6: 17579607 dns-udp-responses-sent-ipv4: 4838697291 dns-udp-responses-sent-ipv6: 636652740 dns-tcp-responses-sent-ipv4: 191991811 dns-tcp-responses-sent-ipv6: 17578802