--- version: rssac002v3 service: d.root-servers.net start-period: '2018-06-15T00:00:00Z' end-period: '2018-06-15T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4830499840 dns-udp-queries-received-ipv6: 651988238 dns-tcp-queries-received-ipv4: 173322685 dns-tcp-queries-received-ipv6: 17311064 dns-udp-responses-sent-ipv4: 4831286242 dns-udp-responses-sent-ipv6: 651753412 dns-tcp-responses-sent-ipv4: 173288013 dns-tcp-responses-sent-ipv6: 17310418