--- version: rssac002v3 service: b.root-servers.net start-period: 2018-01-20T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2507367018 dns-udp-queries-received-ipv6: 330895219 dns-tcp-queries-received-ipv4: 135922632 dns-tcp-queries-received-ipv6: 10534633 dns-udp-responses-sent-ipv4: 2403518224 dns-udp-responses-sent-ipv6: 330786428 dns-tcp-responses-sent-ipv4: 135841375 dns-tcp-responses-sent-ipv6: 10542554