--- version: rssac002v3 service: a.root-servers.net start-period: '2018-05-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6419936354 dns-udp-queries-received-ipv6: 368340095 dns-tcp-queries-received-ipv4: 105161320 dns-tcp-queries-received-ipv6: 16045042 dns-udp-responses-sent-ipv4: 6343287326 dns-udp-responses-sent-ipv6: 368012624 dns-tcp-responses-sent-ipv4: 107806279 dns-tcp-responses-sent-ipv6: 16072690