--- version: rssac002v3 service: a.root-servers.net start-period: '2017-06-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3444031697 dns-udp-queries-received-ipv6: 410017520 dns-tcp-queries-received-ipv4: 155959169 dns-tcp-queries-received-ipv6: 7876654 dns-udp-responses-sent-ipv4: 3442161841 dns-udp-responses-sent-ipv6: 410002587 dns-tcp-responses-sent-ipv4: 155857372 dns-tcp-responses-sent-ipv6: 7954372