--- version: rssac002v3 service: b.root-servers.net start-period: 2018-07-07T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2378343758 dns-udp-queries-received-ipv6: 304065822 dns-tcp-queries-received-ipv4: 109954850 dns-tcp-queries-received-ipv6: 14605646 dns-udp-responses-sent-ipv4: 2310404651 dns-udp-responses-sent-ipv6: 303827873 dns-tcp-responses-sent-ipv4: 109255817 dns-tcp-responses-sent-ipv6: 14617150