--- version: rssac002v3 service: b.root-servers.net start-period: 2018-07-03T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2666184196 dns-udp-queries-received-ipv6: 340072694 dns-tcp-queries-received-ipv4: 126134763 dns-tcp-queries-received-ipv6: 15554626 dns-udp-responses-sent-ipv4: 2570183556 dns-udp-responses-sent-ipv6: 339816081 dns-tcp-responses-sent-ipv4: 126021372 dns-tcp-responses-sent-ipv6: 15567238