--- version: rssac002v3 service: b.root-servers.net start-period: 2018-07-09T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2644408538 dns-udp-queries-received-ipv6: 341062452 dns-tcp-queries-received-ipv4: 120803318 dns-tcp-queries-received-ipv6: 15271037 dns-udp-responses-sent-ipv4: 2563694604 dns-udp-responses-sent-ipv6: 340844591 dns-tcp-responses-sent-ipv4: 120773309 dns-tcp-responses-sent-ipv6: 15282379