--- version: rssac002v3 service: b.root-servers.net start-period: 2019-02-05T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 3353423576 dns-udp-queries-received-ipv6: 464354474 dns-tcp-queries-received-ipv4: 195224731 dns-tcp-queries-received-ipv6: 20481500 dns-udp-responses-sent-ipv4: 3168566801 dns-udp-responses-sent-ipv6: 464559057 dns-tcp-responses-sent-ipv4: 195106725 dns-tcp-responses-sent-ipv6: 20469537