--- version: rssac002v3 service: b.root-servers.net start-period: 2018-07-05T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2803013420 dns-udp-queries-received-ipv6: 354854261 dns-tcp-queries-received-ipv4: 121746925 dns-tcp-queries-received-ipv6: 15221332 dns-udp-responses-sent-ipv4: 2676498571 dns-udp-responses-sent-ipv6: 354336614 dns-tcp-responses-sent-ipv4: 118838438 dns-tcp-responses-sent-ipv6: 15232431