--- version: rssac002v3 service: b.root-servers.net start-period: 2018-03-20T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2286761303 dns-udp-queries-received-ipv6: 306636109 dns-tcp-queries-received-ipv4: 99507714 dns-tcp-queries-received-ipv6: 12721438 dns-udp-responses-sent-ipv4: 2188683109 dns-udp-responses-sent-ipv6: 305864829 dns-tcp-responses-sent-ipv4: 99497118 dns-tcp-responses-sent-ipv6: 12731270